{"id":6455,"date":"2021-03-14T23:17:45","date_gmt":"2021-03-14T23:47:45","guid":{"rendered":"https:\/\/ultering.com\/it4us\/?p=6455"},"modified":"2021-03-17T23:59:41","modified_gmt":"2021-03-18T00:29:41","slug":"covid19-masks-summary","status":"publish","type":"post","link":"https:\/\/ultering.com\/it4us\/?p=6455","title":{"rendered":"COVID-19: MASKS &#8211; SUMMARY"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_73 counter-hierarchy ez-toc-counter ez-toc-white ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-69fc6764b0c1a\" class=\"ez-toc-cssicon-toggle-label\"><span class><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\" \/><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\" \/><\/svg><\/span><\/span><\/label><input type=\"checkbox\" id=\"ez-toc-cssicon-toggle-item-69fc6764b0c1a\" checked aria-label=\"Toggle\"><nav><ul class=\"ez-toc-list ez-toc-list-level-1 \"><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/ultering.com\/it4us\/?p=6455\/#TIPS_AND_DOUBTS\" title=\"TIPS AND DOUBTS\">TIPS AND DOUBTS<\/a><ul class=\"ez-toc-list-level-3\"><li class=\"ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/ultering.com\/it4us\/?p=6455\/#PortuguesePortugues\" title=\"Portuguese\/Portugu\u00eas\">Portuguese\/Portugu\u00eas<\/a><\/li><\/ul><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/ultering.com\/it4us\/?p=6455\/#ABOUT\" title=\"ABOUT\">ABOUT<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/ultering.com\/it4us\/?p=6455\/#Whats_the_Difference_Between_N95_N99_and_P95_Air-Masks_%E2%80%93_PRAYANK21_Nov_2016\" title=\"#What\u2019s the Dif\u00adfer\u00adence Between N95, N99 and P95 Air-Masks &#8211; PRAYANK21 Nov 2016\">#What\u2019s the Dif\u00adfer\u00adence Between N95, N99 and P95 Air-Masks &#8211; PRAYANK21 Nov 2016<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/ultering.com\/it4us\/?p=6455\/#Comparing_Surgical_Masks_and_Surgical_N95_Respirators\" title=\"#Comparing Surgical Masks and Surgical N95 Respirators\">#Comparing Surgical Masks and Surgical N95 Respirators<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/ultering.com\/it4us\/?p=6455\/#General_N95_Respirator_Precautions\" title=\"General N95 Respirator Precautions\">General N95 Respirator Precautions<\/a><ul class=\"ez-toc-list-level-3\"><li class=\"ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/ultering.com\/it4us\/?p=6455\/#Types_of_masks\" title=\"Types of masks\">Types of masks<\/a><\/li><\/ul><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/ultering.com\/it4us\/?p=6455\/#Masks_with_exhalation_valves_or_vents\" title=\"Masks with exhalation valves or vents\">Masks with exhalation valves or vents<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/ultering.com\/it4us\/?p=6455\/#NIOSH-approved_N95_respirators\" title=\"NIOSH-approved N95 respirators\">NIOSH-approved N95 respirators<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/ultering.com\/it4us\/?p=6455\/#Other_Types_of_Face_Protection\" title=\"#Other Types of Face Protection\">#Other Types of Face Protection<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/ultering.com\/it4us\/?p=6455\/#FAKES\" title=\"#FAKES\">#FAKES<\/a><ul class=\"ez-toc-list-level-3\"><li class=\"ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/ultering.com\/it4us\/?p=6455\/#Identify_fake_N95_masks_and_respirators\" title=\"#Identify fake N95 masks and respirators\">#Identify fake N95 masks and respirators<\/a><\/li><\/ul><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/ultering.com\/it4us\/?p=6455\/#TYPES_OF_MASKS_AND_CERTIFYING_AUTHORITIES\" title=\"#TYPES OF MASKS AND CERTIFYING AUTHORITIES\">#TYPES OF MASKS AND CERTIFYING AUTHORITIES<\/a><ul class=\"ez-toc-list-level-3\"><li class=\"ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/ultering.com\/it4us\/?p=6455\/#Whats_the_difference_between_N95_and_KN95\" title=\"What\u2019s the difference between N95 and KN95?\">What\u2019s the difference between N95 and KN95?<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/ultering.com\/it4us\/?p=6455\/#ADA_COVID19_UnderstandingMaskspdf\" title=\"ADA_COVID19_UnderstandingMasks.pdf\">ADA_COVID19_UnderstandingMasks.pdf<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/ultering.com\/it4us\/?p=6455\/#Mask_Ratings_%E2%80%93_N95_vs_FFP2_vs_KF94_vs_KN95\" title=\"#Mask Ratings \u2013 N95 vs FFP2 vs KF94 vs KN95\">#Mask Ratings \u2013 N95 vs FFP2 vs KF94 vs KN95<\/a><\/li><\/ul><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/ultering.com\/it4us\/?p=6455\/#Mask_Rating_Systems\" title=\"Mask Rating Systems\">Mask Rating Systems<\/a><ul class=\"ez-toc-list-level-4\"><li class=\"ez-toc-heading-level-4\"><ul class=\"ez-toc-list-level-4\"><li class=\"ez-toc-heading-level-4\"><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/ultering.com\/it4us\/?p=6455\/#US_NIOSH_Ratings\" title=\"U.S NIOSH Ratings\">U.S NIOSH Ratings<\/a><\/li><\/ul><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/ultering.com\/it4us\/?p=6455\/#Identify_fake_N95_masks_and_respirators-2\" title=\"#Identify fake N95 masks and respirators\">#Identify fake N95 masks and respirators<\/a><\/li><\/ul><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/ultering.com\/it4us\/?p=6455\/#Making_sense_of_the_numbers_on_the_mask\" title=\"Making sense of the numbers on the mask:\">Making sense of the numbers on the mask:<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/ultering.com\/it4us\/?p=6455\/#Warning_signs_that_a_mask_or_respirator_may_be_fakecounterfeit\" title=\"Warning signs that a mask or respirator may be fake\/counterfeit:\">Warning signs that a mask or respirator may be fake\/counterfeit:<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/ultering.com\/it4us\/?p=6455\/#Other_possible_signs_on_third_party_marketplaceswebsites\" title=\"Other possible signs on third party marketplaces\/websites:\">Other possible signs on third party marketplaces\/websites:<\/a><ul class=\"ez-toc-list-level-3\"><li class=\"ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/ultering.com\/it4us\/?p=6455\/#N95\" title=\"#N95\">#N95<\/a><\/li><\/ul><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/ultering.com\/it4us\/?p=6455\/#REUSABILITY\" title=\"#REUSABILITY\">#REUSABILITY<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/ultering.com\/it4us\/?p=6455\/#COVID-19_%E2%80%93_economics_behind_the_pricing_of_face_masks\" title=\"#COVID-19 \u2013 economics behind the pricing of face masks\">#COVID-19 \u2013 economics behind the pricing of face masks<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/ultering.com\/it4us\/?p=6455\/#SUPPLIERS_%E2%80%93_CANDITATES\" title=\"#SUPPLIERS &#8211; CANDITATES\">#SUPPLIERS &#8211; CANDITATES<\/a><ul class=\"ez-toc-list-level-3\"><li class=\"ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/ultering.com\/it4us\/?p=6455\/#Makrite\" title=\"#Makrite\">#Makrite<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/ultering.com\/it4us\/?p=6455\/#Moldex_N95\" title=\"#Moldex N95\">#Moldex N95<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/ultering.com\/it4us\/?p=6455\/#Respirator-SpurTex_Certified\" title=\"#Respirator-SpurTex Certified\">#Respirator-SpurTex Certified<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"TIPS_AND_DOUBTS\"><\/span>TIPS AND DOUBTS<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"PortuguesePortugues\"><\/span>Portuguese\/Portugu\u00eas<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/g1.globo.com\/bemestar\/coronavirus\/noticia\/2021\/03\/12\/como-usar-a-mascara-pff2n95-veja-respostas-para-17-duvidas-sobre-o-modelo-mais-eficiente-contra-a-covid.ghtml\">g1.globo.com\/bemestar\/coronavirus\/noticia\/2021\/03\/12\/como-usar-a-mascara-pff2n95-veja-respostas-para-17-duvidas-sobre-o-modelo-mais-eficiente-contra-a-covid.ghtml&nbsp;<\/a><\/p>\n<p><a href=\"https:\/\/g1.globo.com\/bemestar\/coronavirus\/noticia\/2021\/03\/11\/mascaras-ineficazes-contra-o-coronavirus-nao-serao-permitidas-em-aeroportos-do-brasil-decide-anvisa.ghtml\">g1.globo.com\/bemestar\/coronavirus\/noticia\/2021\/03\/11\/mascaras-ineficazes-contra-o-coronavirus-nao-serao-permitidas-em-aeroportos-do-brasil-decide-anvisa.ghtml<\/a><\/p>\n<p><a href=\"https:\/\/saude.estadao.com.br\/noticias\/geral,saiba-como-usar-mascaras-n95-e-pff2,70003642443\">saude.estadao.com.br\/noticias\/geral,saiba-como-usar-mascaras-n95-e-pff2,70003642443<\/a><\/p>\n<p><a href=\"https:\/\/saude.estadao.com.br\/noticias\/geral,testes-de-covid-19-nas-farmacias-veja-os-tipos-e-precos-disponiveis,70003642918\">saude.estadao.com.br\/noticias\/geral,testes-de-covid-19-nas-farmacias-veja-os-tipos-e-precos-disponiveis,70003642918<\/a><\/p>\n<p><a href=\"https:\/\/g1.globo.com\/bemestar\/coronavirus\/noticia\/2021\/01\/08\/covid-19-qual-mascara-e-melhor-veja-comparativo-segundo-estudo-publicado-na-science.ghtml\">g1.globo.com\/bemestar\/coronavirus\/noticia\/2021\/01\/08\/covid-19-qual-mascara-e-melhor-veja-comparativo-segundo-estudo-publicado-na-science.ghtml<\/a><\/p>\n<p>Aliviando sintomas respirat\u00f3rios do COVID<br>\n<a href=\"https:\/\/g1.globo.com\/ac\/acre\/noticia\/2021\/02\/15\/pesquisa-aponta-eficacia-em-tratamento-de-300-pacientes-da-covid-com-bicarbonato-de-sodio.ghtml\">g1.globo.com\/ac\/acre\/noticia\/2021\/02\/15\/pesquisa-aponta-eficacia-em-tratamento-de-300-pacientes-da-covid-com-bicarbonato-de-sodio.ghtml<\/a><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"ABOUT\"><\/span>ABOUT<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Desiring to buy masks, I&#8217;ve done some research that I&#8217;ve decided to share.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Whats_the_Difference_Between_N95_N99_and_P95_Air-Masks_%E2%80%93_PRAYANK21_Nov_2016\"><\/span><a href=\"https:\/\/www.guidingtech.com\/62349\/whats-difference-n95-n99-p95-air-masks\/\">#What\u2019s the Dif\u00adfer\u00adence Between N95, N99 and P95 Air-Masks <\/a>&#8211; PRAYANK21 Nov 2016<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h2><\/h2>\n<h2><span class=\"ez-toc-section\" id=\"Comparing_Surgical_Masks_and_Surgical_N95_Respirators\"><\/span><a href=\"https:\/\/www.fda.gov\/medical-devices\/personal-protective-equipment-infection-control\/n95-respirators-surgical-masks-and-face-masks#s7\">#Comparing Surgical Masks and Surgical N95 Respirators<\/a><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The FDA regulates surgical masks and surgical N95 respirators differently based on their intended use.<\/p>\n<div class=\"embedded-entity\" title=\"Surgical Mask\" data-embed-button=\"media_browser\" data-entity-embed-display=\"media_image\" data-entity-type=\"media\" data-entity-uuid=\"40edeeef-c172-473c-b75e-cfaf33491f59\" data-langcode=\"en\"><noscript><img decoding=\"async\" class=\"img-responsive\" title=\"Surgical Mask\" src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/surgical_mask_0.jpg\" alt=\"Picture of a surgical mask\"><\/noscript><img decoding=\"async\" class=\"img-responsive lazyload\" title=\"Surgical Mask\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" alt=\"Picture of a surgical mask\" data-src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/surgical_mask_0.jpg\"><\/div>\n<p>A&nbsp;<strong>surgical mask<\/strong>&nbsp;is a loose-fitting, disposable device that creates a physical barrier between the mouth and nose of the wearer and potential contaminants in the immediate environment. These are often referred to as face masks, although not all face masks are regulated as surgical masks. Note that the edges of the mask are not designed to form a seal around the nose and mouth.<\/p>\n<div class=\"embedded-entity\" title=\"N95 respirator\" data-embed-button=\"media_browser\" data-entity-embed-display=\"media_image\" data-entity-type=\"media\" data-entity-uuid=\"d1d5d2a2-d927-4948-abe8-35d7c2478c7e\" data-langcode=\"en\"><noscript><img decoding=\"async\" class=\"img-responsive\" title=\"N95 respirator\" src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/n95_respirator.jpg\" alt=\"Photo of N95 respirator\"><\/noscript><img decoding=\"async\" class=\"img-responsive lazyload\" title=\"N95 respirator\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" alt=\"Photo of N95 respirator\" data-src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/n95_respirator.jpg\"><\/div>\n<p>An&nbsp;<strong>N95 respirator&nbsp;<\/strong>is a respiratory protective device designed to achieve a very close facial fit and very efficient filtration of airborne particles. Note that the edges of the respirator are designed to form a seal around the nose and mouth. Surgical N95 Respirators are commonly used in healthcare settings and are a subset of N95 Filtering Facepiece Respirators (FFRs), often referred to as N95s.<\/p>\n<p>The similarities among surgical masks and surgical N95s are:<\/p>\n<ul>\n<li>They are tested for fluid resistance, filtration efficiency (particulate filtration efficiency and bacterial filtration efficiency), flammability and biocompatibility.<\/li>\n<li>They should not be shared or reused.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"General_N95_Respirator_Precautions\"><\/span>General N95 Respirator Precautions<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>People with chronic respiratory, cardiac, or other medical conditions that make breathing difficult should check with their health care provider before using an N95 respirator because the N95 respirator can make it more difficult for the wearer to breathe.<\/li>\n<li>Some models have exhalation valves that can make breathing out easier and help reduce heat build-up. Note that N95 respirators with exhalation valves should not be used when sterile conditions are needed.<br>\n<strong>NOTE:<br>\n1. Valves are not allowed at airports as concerns COVID-19 prevention.<br>\nSEE: note added by the author based on Brazilian laws:<br>\n<a href=\"https:\/\/g1.globo.com\/bemestar\/coronavirus\/noticia\/2021\/03\/11\/mascaras-ineficazes-contra-o-coronavirus-nao-serao-permitidas-em-aeroportos-do-brasil-decide-anvisa.ghtml\">g1.globo.com\/bemestar\/coronavirus\/noticia\/2021\/03\/11\/mascaras-ineficazes-contra-o-coronavirus-nao-serao-permitidas-em-aeroportos-do-brasil-decide-anvisa.ghtml<\/a><\/strong><br>\n2. Also, <a href=\"https:\/\/www.fda.gov\/medical-devices\/personal-protective-equipment-infection-control\/n95-respirators-surgical-masks-and-face-masks#s7\">CDC&nbsp;<strong>does not recommend<\/strong><\/a>&nbsp;using masks with exhalation valves or vents. The hole in the material may allow your respiratory droplets to escape and reach others. Research on the effectiveness of these types of masks is ongoing.<\/li>\n<li>All FDA-cleared N95 respirators are labeled as &#8220;single-use,&#8221; disposable devices. If your respirator is damaged or soiled, or if breathing becomes difficult, you should remove the respirator, discard it properly, and replace it with a new one. To safely discard your N95 respirator, place it in a plastic bag and put it in the trash. Wash your hands after handling the used respirator.<\/li>\n<li>N95 respirators are not designed for children or people with facial hair. Because a proper fit cannot be achieved on children and people with facial hair, the N95 respirator may not provide full protection.<\/li>\n<\/ul>\n<div class=\"row \">\n<div class=\"col-md-12\">\n<h3><span class=\"ez-toc-section\" id=\"Types_of_masks\"><\/span><a href=\"https:\/\/www.cdc.gov\/coronavirus\/2019-ncov\/prevent-getting-sick\/cloth-face-cover-guidance.html?CDC_AA_refVal=https%3A%2F%2Fwww.cdc.gov%2Fcoronavirus%2F2019-ncov%2Fprevent-getting-sick%2Fcloth-face-cover.html\">Types of masks<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/www.cdc.gov\/coronavirus\/2019-ncov\/more\/masking-science-sars-cov2.html\">Some masks work better than others<\/a>&nbsp;to help slow the spread of the virus that causes COVID-19. Note: N95 respirators approved by CDC\u2019s National Institute for Occupational Safety and Health (NIOSH) should not be used outside of healthcare settings because they should be reserved for healthcare personnel.<\/p>\n<\/div>\n<\/div>\n<div class=\"row \">\n<div class=\"col-md-6\">\n<div class=\"card mb-3\">\n<div class=\"card-header h4 bg-primary\">Recommended<\/div>\n<\/div>\n<div class=\"row \">\n<div class=\"col-md-4\">\n<p><noscript><img decoding=\"async\" class=\"img-fluid\" title=\"mask considerations disposable mask check\" src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/mask_considerations-14-disposable-mask-check-medium.jpg\" alt=\"mask considerations disposable mask check\"><\/noscript><img decoding=\"async\" class=\"img-fluid lazyload\" title=\"mask considerations disposable mask check\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" alt=\"mask considerations disposable mask check\" data-src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/mask_considerations-14-disposable-mask-check-medium.jpg\"><\/p>\n<\/div>\n<div class=\"col-md-8\">\n<div class=\"row-fluid\">\n<div class=\"vc_empty_space col-12 pb-3\"><\/div>\n<\/div>\n<p>Medical procedure masks (sometimes referred to as surgical masks or disposable face masks)<\/p>\n<\/div>\n<\/div>\n<div class=\"row \">\n<div class=\"col-md-4\">\n<p><noscript><img decoding=\"async\" class=\"img-fluid\" title=\"Non-medical disposable masks\" src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/mask_considerations-01-fit-snug-medium.jpg\" alt=\"mask considerations fit snug\"><\/noscript><img decoding=\"async\" class=\"img-fluid lazyload\" title=\"Non-medical disposable masks\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" alt=\"mask considerations fit snug\" data-src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/mask_considerations-01-fit-snug-medium.jpg\"><\/p>\n<\/div>\n<div class=\"col-md-8\">\n<div class=\"row-fluid\">\n<div class=\"vc_empty_space col-12 pb-3\"><\/div>\n<\/div>\n<p>Masks that fit properly (snugly around the nose and chin with no large gaps around the sides of the face)<\/p>\n<\/div>\n<\/div>\n<div class=\"row \">\n<div class=\"col-md-4\">\n<p><noscript><img decoding=\"async\" class=\"img-fluid\" title=\"Masks made with breathable fabric\" src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/mask_considerations-02-breathable-medium.jpg\" alt=\"Masks made with breathable fabric\"><\/noscript><img decoding=\"async\" class=\"img-fluid lazyload\" title=\"Masks made with breathable fabric\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" alt=\"Masks made with breathable fabric\" data-src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/mask_considerations-02-breathable-medium.jpg\"><\/p>\n<\/div>\n<div class=\"col-md-8\">\n<div class=\"row-fluid\">\n<div class=\"vc_empty_space col-12 pb-3\"><\/div>\n<\/div>\n<p>Masks made with breathable fabric (such as cotton)<\/p>\n<\/div>\n<\/div>\n<div class=\"row \">\n<div class=\"col-md-4\">\n<p><noscript><img decoding=\"async\" class=\"img-fluid\" title=\"mask considerations tightly woven\" src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/mask_considerations-03-tightly-woven-medium.jpg\" alt=\"mask considerations tightly woven\"><\/noscript><img decoding=\"async\" class=\"img-fluid lazyload\" title=\"mask considerations tightly woven\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" alt=\"mask considerations tightly woven\" data-src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/mask_considerations-03-tightly-woven-medium.jpg\"><\/p>\n<\/div>\n<div class=\"col-md-8\">\n<div class=\"row-fluid\">\n<div class=\"vc_empty_space col-12 pb-3\"><\/div>\n<\/div>\n<p>Masks made with tightly woven fabric (i.e., fabrics that do not let light pass through when held up to a light source)<\/p>\n<\/div>\n<\/div>\n<div class=\"row \">\n<div class=\"col-md-4\">\n<p><noscript><img decoding=\"async\" class=\"img-fluid\" title=\"mask_considerations-04b-multiple-layers\" src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/mask_considerations-04b-multiple-layers.jpg\" alt=\"illustration of purple cloth face masks\"><\/noscript><img decoding=\"async\" class=\"img-fluid lazyload\" title=\"mask_considerations-04b-multiple-layers\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" alt=\"illustration of purple cloth face masks\" data-src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/mask_considerations-04b-multiple-layers.jpg\"><\/p>\n<\/div>\n<div class=\"col-md-8\">\n<div class=\"row-fluid\">\n<div class=\"vc_empty_space col-12 pb-3\"><\/div>\n<\/div>\n<p>Masks with two or three layers<\/p>\n<\/div>\n<\/div>\n<div class=\"row match-height\">\n<div class=\"col-md-4\">\n<p><noscript><img decoding=\"async\" class=\"img-fluid\" title=\"mask considerations filter pocket\" src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/mask_considerations-05-filter-pocket-medium.jpg\" alt=\"mask considerations filter pocket\"><\/noscript><img decoding=\"async\" class=\"img-fluid lazyload\" title=\"mask considerations filter pocket\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" alt=\"mask considerations filter pocket\" data-src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/mask_considerations-05-filter-pocket-medium.jpg\"><\/p>\n<\/div>\n<div class=\"col-md-8\">\n<div class=\"row-fluid\">\n<div class=\"vc_empty_space col-12 pb-3\"><\/div>\n<\/div>\n<p>Masks with inner filter pockets<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"col-md-6\">\n<div class=\"card mb-3\">\n<div class=\"card-header h4 bg-primary\">Not Recommended<\/div>\n<\/div>\n<div class=\"row \">\n<div class=\"col-md-4\">\n<p><noscript><img decoding=\"async\" class=\"img-fluid\" title=\"mask considerations bad fit\" src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/mask_considerations-06-bad-fit-medium.jpg\" alt=\"mask considerations bad fit\"><\/noscript><img decoding=\"async\" class=\"img-fluid lazyload\" title=\"mask considerations bad fit\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" alt=\"mask considerations bad fit\" data-src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/mask_considerations-06-bad-fit-medium.jpg\"><\/p>\n<\/div>\n<div class=\"col-md-8\">\n<div class=\"row-fluid\">\n<div class=\"vc_empty_space col-12 pb-3\"><\/div>\n<\/div>\n<p>Masks that do not fit properly (large gaps, too loose or too tight)<\/p>\n<\/div>\n<\/div>\n<div class=\"row \">\n<div class=\"col-md-4\">\n<p><noscript><img decoding=\"async\" class=\"img-fluid\" title=\"Masks made from materials that are hard to breathe through (such as plastic or leather)\" src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/mask_considerations-07-plastic-mask-medium.jpg\" alt=\"Masks made from materials that are hard to breathe through (such as plastic or leather)\"><\/noscript><img decoding=\"async\" class=\"img-fluid lazyload\" title=\"Masks made from materials that are hard to breathe through (such as plastic or leather)\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" alt=\"Masks made from materials that are hard to breathe through (such as plastic or leather)\" data-src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/mask_considerations-07-plastic-mask-medium.jpg\"><\/p>\n<\/div>\n<div class=\"col-md-8\">\n<div class=\"row-fluid\">\n<div class=\"vc_empty_space col-12 pb-3\"><\/div>\n<\/div>\n<p>Masks made from materials that are hard to breathe through (such as plastic or leather)<\/p>\n<\/div>\n<\/div>\n<div class=\"row \">\n<div class=\"col-md-4\">\n<p><noscript><img decoding=\"async\" class=\"img-fluid\" title=\"Masks made from loosely woven fabric or that are knitted, i.e., fabrics that let light pass through\" src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/mask_considerations-08-knit-mask-medium.jpg\" alt=\"Masks made from loosely woven fabric or that are knitted, i.e., fabrics that let light pass through\"><\/noscript><img decoding=\"async\" class=\"img-fluid lazyload\" title=\"Masks made from loosely woven fabric or that are knitted, i.e., fabrics that let light pass through\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" alt=\"Masks made from loosely woven fabric or that are knitted, i.e., fabrics that let light pass through\" data-src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/mask_considerations-08-knit-mask-medium.jpg\"><\/p>\n<\/div>\n<div class=\"col-md-8\">\n<div class=\"row-fluid\">\n<div class=\"vc_empty_space col-12 pb-3\"><\/div>\n<\/div>\n<p>Masks made from fabric that is loosely woven or knitted, such as fabrics that let light pass through<\/p>\n<\/div>\n<\/div>\n<div class=\"row \">\n<div class=\"col-md-4\">\n<p><noscript><img decoding=\"async\" class=\"img-fluid\" title=\"mask_considerations-09b-single-layer\" src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/mask_considerations-09b-single-layer.jpg\" alt=\"purple cloth face mask\"><\/noscript><img decoding=\"async\" class=\"img-fluid lazyload\" title=\"mask_considerations-09b-single-layer\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" alt=\"purple cloth face mask\" data-src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/mask_considerations-09b-single-layer.jpg\"><\/p>\n<\/div>\n<div class=\"col-md-8\">\n<div class=\"row-fluid\">\n<div class=\"vc_empty_space col-12 pb-3\"><\/div>\n<\/div>\n<p>Masks with one layer<\/p>\n<\/div>\n<\/div>\n<div class=\"row \">\n<div class=\"col-md-4\">\n<p><noscript><img decoding=\"async\" class=\"img-fluid\" title=\"mask considerations vent mask\" src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/mask_considerations-10-vent-mask-medium.jpg\" alt=\"mask considerations vent mask\"><\/noscript><img decoding=\"async\" class=\"img-fluid lazyload\" title=\"mask considerations vent mask\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" alt=\"mask considerations vent mask\" data-src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/mask_considerations-10-vent-mask-medium.jpg\"><\/p>\n<\/div>\n<div class=\"col-md-8\">\n<div class=\"row-fluid\">\n<div class=\"vc_empty_space col-12 pb-3\"><\/div>\n<\/div>\n<p>Masks with exhalation valves or vents<\/p>\n<\/div>\n<\/div>\n<div class=\"row match-height\">\n<div class=\"col-md-4\">\n<p><noscript><img decoding=\"async\" class=\"img-fluid\" title=\"wearing-scarf-ski-mask-as-mask\" src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/wearing-scarf-ski-mask-as-mask.png\" alt=\"Wearing a scarf\/ski mask as a mask\"><\/noscript><img decoding=\"async\" class=\"img-fluid lazyload\" title=\"wearing-scarf-ski-mask-as-mask\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" alt=\"Wearing a scarf\/ski mask as a mask\" data-src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/wearing-scarf-ski-mask-as-mask.png\"><\/p>\n<\/div>\n<div class=\"col-md-8\">\n<div class=\"row-fluid\">\n<div class=\"vc_empty_space col-12 pb-3\">\n<div class=\"col-md-8\">\n<div class=\"card border-0 rounded-0 mb-3\">\n<div class=\"card-body \">\n<h2><span class=\"ez-toc-section\" id=\"Masks_with_exhalation_valves_or_vents\"><\/span>Masks with exhalation valves or vents<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>CDC&nbsp;<strong>does not recommend<\/strong>&nbsp;using masks with exhalation valves or vents. The hole in the material may allow your respiratory droplets to escape and reach others. Research on the effectiveness of these types of masks is ongoing.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"NIOSH-approved_N95_respirators\"><\/span>NIOSH-approved N95 respirators<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Do not use&nbsp;<\/strong>NIOSH-approved N95 respirators that are meant for healthcare workers. NIOSH-approved N95 respirators are critical supplies that should be reserved for healthcare workers and other medical first responders to prevent supply shortages.<\/p>\n<p>&nbsp;<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"col-md-4\">\n<div class=\"col-md-8\">\n<div class=\"card border-0 rounded-0 mb-3\">\n<div class=\"card-body \">\n<h2><span class=\"ez-toc-section\" id=\"Other_Types_of_Face_Protection\"><\/span>#<a href=\"https:\/\/www.cdc.gov\/coronavirus\/2019-ncov\/prevent-getting-sick\/cloth-face-cover-guidance.html?CDC_AA_refVal=https%3A%2F%2Fwww.cdc.gov%2Fcoronavirus%2F2019-ncov%2Fprevent-getting-sick%2Fcloth-face-cover.html\">Other Types of Face Protection<\/a><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>CDC&nbsp;<a class=\"tp-link-policy\" href=\"https:\/\/www.tandfonline.com\/doi\/full\/10.1080\/02786826.2020.1862409\" data-domain-ext=\"com\">does not recommend<span class=\"sr-only\">external icon<\/span><\/a>&nbsp;using face shields or goggles as a substitute for masks. Goggles or other eye protection may be used in addition to a mask. Do NOT put a plastic face shield (or a mask) on newborns or infants.<\/p>\n<p>Face shields and goggles are primarily used to protect the eyes of the person wearing it. Goggles do not cover the nose and mouth. Face shields are not as effective at protecting you or the people around you from respiratory droplets. Face shields have large gaps below and alongside the face, where your respiratory droplets may escape and reach others around you and will not protect you from respiratory droplets from others. However, wearing a mask may not be feasible in every situation for some people.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"col-md-4\"><noscript><img decoding=\"async\" class=\"img-fluid\" title=\"mask considerations face sheild-goggles\" src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/mask_considerations-13-face-sheild-goggles-small.png\" alt=\"mask considerations face sheild-goggles\"><\/noscript><img decoding=\"async\" class=\"img-fluid lazyload\" title=\"mask considerations face sheild-goggles\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" alt=\"mask considerations face sheild-goggles\" data-src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/mask_considerations-13-face-sheild-goggles-small.png\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<h2><span class=\"ez-toc-section\" id=\"FAKES\"><\/span>#FAKES<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 class=\"card-title pt-0\"><span class=\"ez-toc-section\" id=\"Identify_fake_N95_masks_and_respirators\"><\/span><a href=\"https:\/\/www.edentalportal.com\/blog\/fake-masks-respirator\">#Identify fake N95 masks and respirators<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"TYPES_OF_MASKS_AND_CERTIFYING_AUTHORITIES\"><\/span>#TYPES OF MASKS AND CERTIFYING AUTHORITIES<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Whats_the_difference_between_N95_and_KN95\"><\/span><a href=\"https:\/\/www.bostonherald.com\/2020\/04\/18\/coronavirus-masks-whats-the-difference-between-n95-and-kn95\/\">What\u2019s the difference between N95 and KN95?<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>@MY: from text, we conclude that KN95 fits better.<\/p>\n<p>The Federal Drug Administration and Centers for Disease Control have both approved the use of KN95 masks in the cases of N95 shortages, but appearances aside, there are two major differences between the masks: First, the American-manufactured N95 masks can withstand a slightly stronger pressure as the person wearing it inhales and exhales, according to infectious diseases specialist Dr. Michael Rajnik. Also, the KN95 mask just fits differently than the N95s.<\/p>\n<p>\u201cFit is of maximal importance,\u201d Rajnik told the Herald, but said KN95s were \u201cadequately equipped\u201d for doctors and physicians if they are produced by legitimate medical manufacturers like 3M.<\/p>\n<p>\u201cIt feels different. It feels looser,\u201d said Boucher, who confirmed Tufts Medical Center received the Kraft\u2019s donation, including KN95s. \u201cA respirator mask makes a tight feel on your face.\u201d<\/p>\n<p>But even with the N95 masks, Rajnik said, it\u2019s out of the question to expect optimal use when fighting a virus of pandemic proportions. Workers using N95 masks typically get fitted for a particular type of respirator size and model, but those specifications just aren\u2019t realistic when hospitals become overrun with critically ill patients.<\/p>\n<p>Boucher said Tufts has not yet replaced any N95 masks with the KN95s, but experts are investigating ways to make the KN95\u2019s face seal tighter for health care workers. Right now, she said, KN95s can certainly be used like regular surgical masks, at the very least.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"ADA_COVID19_UnderstandingMaskspdf\"><\/span><a href=\"https:\/\/success.ada.org\/~\/media\/CPS\/Files\/COVID\/ADA_COVID19_UnderstandingMasks.pdf\">ADA_COVID19_UnderstandingMasks.pdf<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h3><noscript><img decoding=\"async\" class=\"alignnone size-full wp-image-23694\" src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/masks_understanding_mask_types.jpg\" alt width=\"789\" height=\"566\"><\/noscript><img decoding=\"async\" class=\"alignnone size-full wp-image-23694 lazyload\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20789%20566%22%3E%3C%2Fsvg%3E\" alt width=\"789\" height=\"566\" data-src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/masks_understanding_mask_types.jpg\"><\/h3>\n<p><a href=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/ADA-COVID-19-Understanding-Mask-Types.pdf\">ADA COVID-19 Understanding Mask Types.pdf<\/a><\/p>\n<h3><\/h3>\n<h3><\/h3>\n<h3 class=\"title entry-title \"><span class=\"ez-toc-section\" id=\"Mask_Ratings_%E2%80%93_N95_vs_FFP2_vs_KF94_vs_KN95\"><\/span><a href=\"https:\/\/breathesafeair.com\/mask-ratings\/\">#Mask Ratings \u2013 N95 vs FFP2 vs KF94 vs KN95<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul class=\"nv-meta-list\">\n<li class=\"meta date posted-on\"><time class=\"entry-date published\" datetime=\"2020-08-23T06:04:00+09:00\">23 August 2020<\/time><\/li>\n<li class=\"meta category\"><a href=\"https:\/\/breathesafeair.com\/respirators\/\" rel=\"category tag\">Respirators<\/a><\/li>\n<\/ul>\n<h2 class=\"has-text-align-center\"><span class=\"ez-toc-section\" id=\"Mask_Rating_Systems\"><\/span><span id=\"Mask_Rating_Systems\">Mask Rating Systems<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><noscript><img decoding=\"async\" class=\"wp-image-365\" title=\"Mask Ratings - N95 vs FFP2 vs KF94 vs KN95 2\" src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/CDC-Similar-to-N95-Respirators.png\" alt=\"CDC Similar to N95 Respirators\" width=\"1024\" height=\"566\" data-opt-src=\"https:\/\/mlfl0eebtpgt.i.optimole.com\/jk0qh_E.if3O~5aee7\/w:1024\/h:566\/q:90\/https:\/\/breathesafeair.com\/wp-content\/uploads\/2020\/04\/CDC-Similar-to-N95-Respirators.png\" data-opt-lazy-loaded=\"true\" data-opt-otimized-width=\"889\" data-opt-optimized-height=\"491\"><\/noscript><img decoding=\"async\" class=\"wp-image-365 lazyload\" title=\"Mask Ratings - N95 vs FFP2 vs KF94 vs KN95 2\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%201024%20566%22%3E%3C%2Fsvg%3E\" alt=\"CDC Similar to N95 Respirators\" width=\"1024\" height=\"566\" data-opt-src=\"https:\/\/mlfl0eebtpgt.i.optimole.com\/jk0qh_E.if3O~5aee7\/w:1024\/h:566\/q:90\/https:\/\/breathesafeair.com\/wp-content\/uploads\/2020\/04\/CDC-Similar-to-N95-Respirators.png\" data-opt-lazy-loaded=\"true\" data-opt-otimized-width=\"889\" data-opt-optimized-height=\"491\" data-src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/CDC-Similar-to-N95-Respirators.png\"><\/figure>\n<\/div>\n<p class=\"has-text-align-center\">\u2018Respirators with similar performance requirements to NIOSH-approved devices\u2019 (<a class=\"rank-math-link\" href=\"https:\/\/www.cdc.gov\/niosh\/npptl\/respirators\/testing\/NonNIOSH.html\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"CDC (opens in a new tab)\">CDC<\/a>). However, there is still limited testing on these standards by CDC, and N95 is recommended where possible.<\/p>\n<p>The biggest factor that makes understanding mask ratings so difficult is the number of different systems. The most commonly known mask rating is the&nbsp;<a class=\"rank-math-link\" href=\"https:\/\/www.cdc.gov\/niosh\/index.htm\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"NIOSH system (opens in a new tab)\">NIOSH system<\/a>, which rates masks as N95, N99, and N100. These masks are rated by the American National Institute for Occupational Safety and Health, which is part of the CDC.<\/p>\n<p>But did you know that this is only the tip of the iceberg? Not only does the NIOSH also certify R and P rated masks, but there are also 5 other commonly used mask rating systems. Although knowing the NIOSH rating system is normally enough, in times when stocks are low knowing the other mask ratings can come in handy. After all, N95 masks are usually the first to sell out.<\/p>\n<p>The most important rating systems to know are the NIOSH ratings (N95), and&nbsp;<a class=\"rank-math-link\" href=\"https:\/\/breathesafeair.com\/ffp2-respirators\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Europe EN (FFP2) (opens in a new tab)\">Europe EN (FFP2)<\/a>. These are the most commonly found masks and most other rating systems are based on, or closely follow, the guidelines of these respirators.<\/p>\n<h4 class=\"has-text-align-center\"><span class=\"ez-toc-section\" id=\"US_NIOSH_Ratings\"><\/span><span id=\"US_NIOSH_Ratings\">U.S NIOSH Ratings<\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><noscript><img decoding=\"async\" class=\"wp-image-69\" title=\"Mask Ratings - N95 vs FFP2 vs KF94 vs KN95 3\" src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/NIOSH-Mask-Rating-Labels.jpg\" alt=\"NIOSH Mask Rating Labels\" width=\"1024\" height=\"647\" data-opt-src=\"https:\/\/mlfl0eebtpgt.i.optimole.com\/jk0qh_E.if3O~5aee7\/w:1024\/h:647\/q:90\/https:\/\/breathesafeair.com\/wp-content\/uploads\/2020\/03\/NIOSH-Mask-Rating-Labels.jpg\" data-opt-lazy-loaded=\"true\" data-opt-otimized-width=\"889\" data-opt-optimized-height=\"561\"><\/noscript><img decoding=\"async\" class=\"wp-image-69 lazyload\" title=\"Mask Ratings - N95 vs FFP2 vs KF94 vs KN95 3\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%201024%20647%22%3E%3C%2Fsvg%3E\" alt=\"NIOSH Mask Rating Labels\" width=\"1024\" height=\"647\" data-opt-src=\"https:\/\/mlfl0eebtpgt.i.optimole.com\/jk0qh_E.if3O~5aee7\/w:1024\/h:647\/q:90\/https:\/\/breathesafeair.com\/wp-content\/uploads\/2020\/03\/NIOSH-Mask-Rating-Labels.jpg\" data-opt-lazy-loaded=\"true\" data-opt-otimized-width=\"889\" data-opt-optimized-height=\"561\" data-src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/NIOSH-Mask-Rating-Labels.jpg\"><\/figure>\n<\/div>\n<p class=\"has-text-align-center\">NIOSH masks should always have the above markings.&nbsp;<a class=\"rank-math-link\" href=\"https:\/\/www.cdc.gov\/niosh\/npptl\/topics\/respirators\/disp_part\/images\/MarkingsPrint.jpg\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"CDC (opens in a new tab)\">CDC<\/a>.<\/p>\n<p>NIOSH rated masks are the most common masks that you will usually find. These masks come in three different letter variations, N, R, and P. These letters will be followed by a number, making a rating such as N99, R95, or P100. But what do these letters and numbers mean?<\/p>\n<p>Luckily, the number is easy to understand. The number on a NIOSH rated masks signifies the filtration effectiveness of the filter. For example, an N95 mask is required to stop AT LEAST 95% of particles of&nbsp;<a class=\"rank-math-link\" href=\"https:\/\/breathesafeair.com\/respirator-filtration-mechanisms-mpps\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"0.3 microns in size (opens in a new tab)\">0.3 microns in size<\/a>.\u00b2 An R95 mask will also filter out at least 95% of 0.3-micron particles.<\/p>\n<p>The only difference comes in with N100 and P100 rated masks. Complete filtration is at this point impossible, and a 100 rated mask is effective at stopping 99.97% of 0.3-micron particles.\u00b3<\/p>\n<p>In other words, the higher the number the better the filtration efficiency. To be put even more simply, the higher the number, the better. In terms of filtration, the letter before the number doesn\u2019t matter \u2013 an N100 and P100 mask are rated to filter the same percentage of particles. The same goes for N95 and R95 masks.<\/p>\n<p><strong>Best N95 rated respirators<\/strong>&nbsp;\u2013&nbsp;<a class=\"rank-math-link\" href=\"https:\/\/amzn.to\/3geMDYt\" target=\"_blank\" rel=\"noreferrer noopener nofollow sponsored\" aria-label=\"3M 8511 N95 (opens in a new tab)\">3M 8511 N95<\/a>&nbsp;|&nbsp;<a class=\"rank-math-link\" href=\"https:\/\/amzn.to\/2NADHAa\" target=\"_blank\" rel=\"noreferrer noopener nofollow sponsored\" aria-label=\"3M 8210 N95 (opens in a new tab)\">3M 8210 N95<\/a><\/p>\n<p>&nbsp;<\/p>\n<div class=\"col-12\">\n<nav class=\"mobile-breadcrum\" aria-label=\"breadcrumb\">\n<h3><span class=\"ez-toc-section\" id=\"Identify_fake_N95_masks_and_respirators-2\"><\/span><a href=\"https:\/\/www.edentalportal.com\/blog\/fake-masks-respirator\">#Identify fake N95 masks and respirators<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/nav>\n<\/div>\n<div class=\"col-md-8\">\n<div>On 09-05-2020 | Read time about 6 Minutes<\/div>\n<div class=\"card\">\n<div class=\"card-body\">\n<hr>\n<p><noscript><img decoding=\"async\" class=\"alignnone size-full wp-image-23697\" src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/masks_identify_certificate_masks.jpg\" alt width=\"992\" height=\"630\"><\/noscript><img decoding=\"async\" class=\"alignnone size-full wp-image-23697 lazyload\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20992%20630%22%3E%3C%2Fsvg%3E\" alt width=\"992\" height=\"630\" data-src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/masks_identify_certificate_masks.jpg\"><\/p>\n<p>Respirators (N95\/KN95, N99, FFP1, FFP2 and FFP3 Masks) that may not be capable of providing appropriate respiratory protection to health care workers are being falsely marketed and sold as being FDA certified and\/or&nbsp;NIOSH (National Institute for Occupational Safety and Health)&nbsp;approved. In the month of April, 39 million masks were exposed as fake.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Making_sense_of_the_numbers_on_the_mask\"><\/span>Making sense of the numbers on the mask:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The letters and numbers are standards for masks. They specify the rules and testing methods companies should follow to rate their masks.<\/p>\n<p>FFP1 is a standard used across Europe for masks that have filtration effectiveness of 80%, while FFP2&nbsp;is a standard used across Europe for masks that have filtration effectiveness up to 94%. Similarly, N95\/KN95 is used across the USA, with filtration effectiveness of 95%.<\/p>\n<table border=\"1\" cellspacing=\"1\" cellpadding=\"1\">\n<tbody>\n<tr>\n<td><strong>RESPIRATOR STANDARD<\/strong><\/td>\n<td><strong>FILTER CAPACITY (% of particles 0.3 microns or larger in diameter filtered)<\/strong><\/td>\n<\/tr>\n<tr>\n<td>FFP1 and P1<\/td>\n<td>At least 80%<\/td>\n<\/tr>\n<tr>\n<td>FFP2 and P2<\/td>\n<td>At least 94%<\/td>\n<\/tr>\n<tr>\n<td>N95<\/td>\n<td>At least 95%<\/td>\n<\/tr>\n<tr>\n<td>N99 and FFP3<\/td>\n<td>At least 99%<\/td>\n<\/tr>\n<tr>\n<td>P3<\/td>\n<td>At least 99.95%<\/td>\n<\/tr>\n<tr>\n<td>N100<\/td>\n<td>At least 99.97%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>For FFP1\/FFP2 masks, it is vital to ensure that any certificates you receive are correctly titled \u2018EU type examination certificate\u2019 and that they are issued by a competent Notified Body. The identification number of the Notified Body must also be included in the EU type examination certificate. A full list of Notified Bodies is available on the&nbsp;<a href=\"https:\/\/www.edentalportal.com\/blog\/fake-masks-respirator#\">NANDO database<\/a>.&nbsp;You can also check the authenticity of certificates through the BSI Certificates and&nbsp;INSPEC Certificates portals.<\/p>\n<p>For NN95\/KN95 masks, before buying large quantities of respirators from third party marketplaces or unfamiliar websites, learn how to identify NIOSH-approved respirator:<\/p>\n<ul>\n<li>An abbreviated approval will be on the packaging as well as the mask\/respirator itself. You can verify the approval number on the<a href=\"https:\/\/www.cdc.gov\/niosh\/npptl\/topics\/respirators\/cel\/default.html\" target=\"_blank\" rel=\"noopener\">&nbsp;NIOSH Certified Equipment List (CEL)<\/a><\/li>\n<li>An authentic N95 mask has markings as&nbsp;shown in the image above. Check for&nbsp;these labels at standard locations of a certified N95 respirator.3M 8210 is the most classic and popular N95 disposable respirator.&nbsp;It provides at least 95% filtration efficiency of non-oil based particles with NIOSH (National Institute for Occupational Safety and Health) approval.<\/li>\n<\/ul>\n<div>On the bottom of 3M&nbsp;product box, just under the bar code or on the roll, you\u2019ll see a 10-digit secure code and a 6-digit lot code. These codes are unique to every box.&nbsp;Enter your codes&nbsp;<a href=\"http:\/\/safeguard.3m.com\/Guest#\/Validation\" target=\"_blank\" rel=\"noopener\">here<\/a>. A green checkmark means the product is genuine. A yellow or red symbol indicates that your product may be counterfeit.<\/div>\n<h2><span class=\"ez-toc-section\" id=\"Warning_signs_that_a_mask_or_respirator_may_be_fakecounterfeit\"><\/span>Warning signs that a mask or respirator may be fake\/counterfeit:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>No markings on the facepiece of the mask<\/li>\n<li>No NIOSH approval (TC) number on the N95 or headband<\/li>\n<li>No NIOSH markings<\/li>\n<li>NIOSH spelled incorrectly<\/li>\n<li>Presence of decorative fabric or other decorative add-ons (e.g.,sequins)<\/li>\n<li>Claims that the mask is&nbsp;approved&nbsp;for use in children (kids)<\/li>\n<li>The N95 mask has&nbsp;<strong>ear loops instead of headbands<\/strong><\/li>\n<li><strong>FDA logo on the box-&nbsp;<\/strong>FDA does NOT allow a vendor to put the&nbsp;<a href=\"https:\/\/www.fda.gov\/about-fda\/website-policies\/fda-logo-policy\" target=\"_blank\" rel=\"noopener nofollow\">FDA logo<\/a>&nbsp;on the box of a respirator.<\/li>\n<li>FDA registration certificate as proof of \u201cFDA approval\u201d<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Other_possible_signs_on_third_party_marketplaceswebsites\"><\/span>Other possible signs on third party marketplaces\/websites:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>The seller\/dealer doesn\u2019t have any transactions history or public review\/feedback<\/li>\n<li>Too good to be true statements or price deviations<\/li>\n<li>Suppliers claim that the mask is &#8216;FDA approved&#8217; &#8211; FDA doesn&#8217;t approve N95 masks. Official companies use the term &nbsp;&#8216;FDA-cleared&#8217;.<\/li>\n<li>Bad grammar, typos, and other errors<\/li>\n<li>Primary email the dealer uses a free email service e.g. gmail<\/li>\n<li>Suspicious feedback and reviews gathered over a short period of time- check dates of reviews and feedbacks.<\/li>\n<\/ul>\n<p>Buyers must understand that FDA has a two step process. ANY company can REGISTER their product with FDA before getting clearance.&nbsp;Registration of an equipment establishment or assignment of a registration number&nbsp;<u><strong>does not<\/strong><\/u>&nbsp;in any way denote approval of the establishment or its products.&nbsp;Many companies mislead buyers to believe that masks are&nbsp;FDA-approved by submitting an FDA registration certificate as proof.&nbsp;FDA registration is NOT FDA approval.<\/p>\n<p>Some companies known to have sold fake, counterfeit masks claimed to be N95 certified&nbsp;are<\/p>\n<p><strong>1. Sound<\/strong><br>\nA company by the name of \u2018Sound\u2019 have been distributing masks that are not&nbsp;NIOSH approved. The company uses Shanghai Dasheng Health Products Manufacture Co. Ltd\u2019s (SDH) NIOSH approval number, TC 84A-4335, without their permission.<\/p>\n<p><strong>2. NIOSH N95 respirator mask<\/strong><br>\nThis is another company using Shanghai Dasheng Health Products&nbsp;Manufacture Co. Ltd\u2019s (SDH) NIOSH approval numbers without their permission.<\/p>\n<p><strong>3. G &amp; F<\/strong><br>\nG &amp; F Products have misrepresentedNIOSH approval and are on sale in many Asian countries. G &amp; F masks are not a NIOSH approved or a private label holder.<\/p>\n<p><strong>4. Maskin<\/strong><br>\nAny respirators being sold as Maskin are no longer NIOSH approved. They are counterfeit or they are no longer compliant to&nbsp;the NIOSH approval.<\/p>\n<p><strong>5. Shenzhen Ende Medical Technology Co., Ltd.<\/strong><br>\nShenzhen Ende Medical Technology Co., Ltd. is NOT a NIOSH approval holder. Any N95 filtering facepiece respirators from Shenzhen&nbsp;Ende claiming to be NIOSH-approved or accompanied by these documents are NOT NIOSH approved.<\/p>\n<p>Others companies selling UNCERTIFIED masks claiming to be certified:<\/p>\n<ol>\n<li>Zubi-Ola<\/li>\n<li>ViraMask N99ESC (Wein products)<\/li>\n<li>FitSeal<\/li>\n<li>NT-V2 Nano Bi-Directional respirator<\/li>\n<li>Benehal<\/li>\n<li>Pacifico Salud SAC<\/li>\n<li>Ranger 821 and Ranger 821V respirators by Valpro Safety<\/li>\n<li>Vogmask\u00ae<\/li>\n<li>PitBull Safety Products<\/li>\n<li>Anhui Tongcheng YaGe Health Materials<\/li>\n<li>The Guangzhou Weini Technology &amp; Development&nbsp;Co., Ltd. (GWT) respirator with model number K320<\/li>\n<li>Yark<\/li>\n<li>Kaku<\/li>\n<li>Medicos<\/li>\n<\/ol>\n<p>Companies known to not be competent for PPE (masks specifically) under European standards for FFP1, FFP2 and FFP3 include:<\/p>\n<ol>\n<li>ICR Polska<\/li>\n<li>CELAB<\/li>\n<li>ECM (Ente Certificazione Macchine)<\/li>\n<li>ISET (Instituto Servizi Europei Technologici)<\/li>\n<li>NPS<\/li>\n<li>Amtre Veritas<\/li>\n<li>STS Inspection and Certification<\/li>\n<li>VIC Testing and Certification<\/li>\n<li>BSI Test Limited<\/li>\n<li>ISP (UK Inspec International)<\/li>\n<li>Ecole Sup\u00e9rieure du Bois<\/li>\n<li>Sapo (Sapo Certification &amp; Testing Laboratory Limited)The above is not an exhaustive list of companies selling uncertified masks. So please use your discretion to check the product as well as the&nbsp;relevant databases and&nbsp;certification before purchasing&nbsp;N95\/KN95, N99, FFP1, FFP2 and FFP3 Masks and respirators.For more dental practice&nbsp;guidances during COVID-19, read our&nbsp;<a href=\"https:\/\/www.edentalportal.com\/blog\/category\/covid-19:-patient-&amp;-dental-professional-safety\">COVID 19: Patient &amp; Dental Professional Safety<\/a>&nbsp;category of posts.<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"N95\"><\/span>#N95<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Yes, N95 masks or respirators as they are also known can protect against the virus. Unlike surgical masks, the N95 is thicker and handy in helping to prevent the spread of the disease. The&nbsp;<a href=\"https:\/\/www.cdc.gov\/niosh\/npptl\/pdfs\/UnderstandDifferenceInfographic-508.pdf\" target=\"_blank\" rel=\"noopener nofollow noreferrer\">CDC<\/a>&nbsp;opines that this mask if worn correctly, can filter out 95% of airborne particles.<\/p>\n<p data-slot-rendered-dynamic=\"true\">They boast the ability to keep at bay particles whose size is less than 0.3 micrometers. Isn\u2019t that impressive? To ensure the mask works as it ought to, you need to ensure it maintains its function and fit.<\/p>\n<p><a href=\"https:\/\/thewifechoice.com\/how-long-n95-masks-last-reusable\/\">thewifechoice.com\/how-long-n95-masks-last-reusable\/<\/a><\/p>\n<h2><span class=\"ez-toc-section\" id=\"REUSABILITY\"><\/span>#REUSABILITY<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>You can use the N95 mask for many hours uninterrupted. The respirators can perform optimally for eight hours of intermittent or nonstop use. Regular replacement is necessary.<\/p>\n<p><a href=\"https:\/\/thewifechoice.com\/how-long-n95-masks-last-reusable\/\">thewifechoice.com\/how-long-n95-masks-last-reusable\/<\/a><\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"__MB_MASTERCMS_EL_1\" class=\"title-detail __MB_MASTERCMS_EL f-30\" title=\"COVID-19 \u2013 economics behind the pricing of face masks\"><span class=\"ez-toc-section\" id=\"COVID-19_%E2%80%93_economics_behind_the_pricing_of_face_masks\"><\/span><a href=\"https:\/\/www.vir.com.vn\/covid-19-economics-behind-the-pricing-of-face-masks-74206.html\">#COVID-19 \u2013 economics behind the pricing of face masks<\/a><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h2><span class=\"ez-toc-section\" id=\"SUPPLIERS_%E2%80%93_CANDITATES\"><\/span>#SUPPLIERS &#8211; CANDITATES<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Makrite\"><\/span><a href=\"https:\/\/www.makritenorthamerica.com\/\">#Makrite<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h3><span class=\"ez-toc-section\" id=\"Moldex_N95\"><\/span>#<a href=\"https:\/\/www.moldex.com\/product-category\/respiratory-protection\/disposable-respirators\/n95-respirators\/\">Moldex N95<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h3><span class=\"ez-toc-section\" id=\"Respirator-SpurTex_Certified\"><\/span><a href=\"https:\/\/www.amazon.co.uk\/Respirator-SpurTex%C2%AE-without-certified-efficiency\/dp\/B08L93CXWD\/ref=sr_1_3?dchild=1&amp;keywords=n95+masks+IBM&amp;qid=1615647355&amp;sr=8-3\">#Respirator-SpurTex Certified<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong><span class=\"a-size-medium a-color-price\">Currently unavailable.<br>\n<\/span>We don&#8217;t know when or if this item will be back in stock.<br>\n20210113<\/strong><\/p>\n<div class=\"col-md-8\">\n<div class=\"card\">\n<p><noscript><img decoding=\"async\" class=\"alignnone size-full wp-image-23699\" src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/mask_spurtex_nano_respirator_diagram.jpg\" alt width=\"1024\" height=\"476\"><\/noscript><img decoding=\"async\" class=\"alignnone size-full wp-image-23699 lazyload\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%201024%20476%22%3E%3C%2Fsvg%3E\" alt width=\"1024\" height=\"476\" data-src=\"https:\/\/ultering.com\/mynumbers\/wp-content\/uploads\/2021\/03\/mask_spurtex_nano_respirator_diagram.jpg\"><\/p>\n<\/div>\n<\/div>\n<!--CusAds0-->\n<div style=\"font-size: 0px; height: 0px; line-height: 0px; margin: 0; padding: 0; clear: both;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>TIPS AND DOUBTS Portuguese\/Portugu\u00eas g1.globo.com\/bemestar\/coronavirus\/noticia\/2021\/03\/12\/como-usar-a-mascara-pff2n95-veja-respostas-para-17-duvidas-sobre-o-modelo-mais-eficiente-contra-a-covid.ghtml&nbsp; g1.globo.com\/bemestar\/coronavirus\/noticia\/2021\/03\/11\/mascaras-ineficazes-contra-o-coronavirus-nao-serao-permitidas-em-aeroportos-do-brasil-decide-anvisa.ghtml saude.estadao.com.br\/noticias\/geral,saiba-como-usar-mascaras-n95-e-pff2,70003642443 saude.estadao.com.br\/noticias\/geral,testes-de-covid-19-nas-farmacias-veja-os-tipos-e-precos-disponiveis,70003642918 g1.globo.com\/bemestar\/coronavirus\/noticia\/2021\/01\/08\/covid-19-qual-mascara-e-melhor-veja-comparativo-segundo-estudo-publicado-na-science.ghtml Aliviando sintomas respirat\u00f3rios do COVID g1.globo.com\/ac\/acre\/noticia\/2021\/02\/15\/pesquisa-aponta-eficacia-em-tratamento-de-300-pacientes-da-covid-com-bicarbonato-de-sodio.ghtml &nbsp; ABOUT Desiring to buy masks, I&#8217;ve done some research that I&#8217;ve decided to share. #What\u2019s the Dif\u00adfer\u00adence Between N95, N99 and P95 Air-Masks &#8211; PRAYANK21 Nov 2016 #Comparing Surgical Masks and Surgical N95 Respirators The FDA regulates surgical masks &#8230; <a href=\"https:\/\/ultering.com\/it4us\/?p=6455\" class=\"more-link\">Read More<span class=\"screen-reader-text\"> &#8220;COVID-19: MASKS &#8211; SUMMARY&#8221;<\/span> &raquo;<\/a><\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"categories":[141],"tags":[],"class_list":["post-6455","post","type-post","status-publish","format-standard","hentry","category-health"],"_links":{"self":[{"href":"https:\/\/ultering.com\/it4us\/index.php?rest_route=\/wp\/v2\/posts\/6455","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ultering.com\/it4us\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ultering.com\/it4us\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ultering.com\/it4us\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/ultering.com\/it4us\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6455"}],"version-history":[{"count":3,"href":"https:\/\/ultering.com\/it4us\/index.php?rest_route=\/wp\/v2\/posts\/6455\/revisions"}],"predecessor-version":[{"id":6483,"href":"https:\/\/ultering.com\/it4us\/index.php?rest_route=\/wp\/v2\/posts\/6455\/revisions\/6483"}],"wp:attachment":[{"href":"https:\/\/ultering.com\/it4us\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6455"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ultering.com\/it4us\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6455"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ultering.com\/it4us\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6455"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}