{"id":193826,"date":"2024-10-09T14:03:09","date_gmt":"2024-10-09T07:03:09","guid":{"rendered":"https:\/\/techmaster.com.vn\/?post_type=product&#038;p=193826"},"modified":"2026-09-28T12:08:02","modified_gmt":"2026-09-28T05:08:02","slug":"3m-9541-kn95-carbon-respirator-no-valve","status":"publish","type":"product","link":"https:\/\/techmaster.com.vn\/en\/3m-9541-kn95-carbon-respirator-no-valve\/","title":{"rendered":"3M 9541 KN95 Particulate Respirator, Ear Loop, No Valve"},"content":{"rendered":"<h1>3M 9541 KN95 Particulate Respirator, Ear Loop, No Valve<\/h1>\n<p>The <strong>3M 9541 KN95 respirator<\/strong> is a genuine 3M flat-fold disposable mask that filters at least 95% of fine non-oil particles. It has no exhalation valve, so air is filtered in both directions, and an added carbon layer gives relief from nuisance levels of organic vapours and odours.<\/p>\n<h2>Product overview<\/h2>\n<p>The 9541 is the non-valved model in 3M&#8217;s flat-fold disposable range. 3M&#8217;s user instructions list it as standard size with ear loops, certified to KN95 under GB2626 (the sheet states GB2626-2006). Because there is no valve, exhaled air passes through the filter as well, which suits places where the people around the wearer also need protection. If you work in hot or humid conditions and want cooler breathing, see the <a href=\"https:\/\/techmaster.com.vn\/en\/3m-9541v-kn95-valved-carbon-respirator\/\">3M 9541V valved version<\/a>.<\/p>\n<h2>Key features and benefits<\/h2>\n<ul>\n<li><strong>&ge;95% filtration:<\/strong> captures at least 95% of airborne non-oil particulates.<\/li>\n<li><strong>Carbon layer:<\/strong> relief from nuisance levels of organic vapours and odours &mdash; concentrations below the occupational exposure limit only.<\/li>\n<li><strong>No exhalation valve:<\/strong> filters inhaled and exhaled air, unlike valved models.<\/li>\n<li><strong>Ear-loop design:<\/strong> standard size, quick to put on and take off.<\/li>\n<li><strong>Adjustable nose clip:<\/strong> soft foam and a metal clip seal around the nose to reduce leakage.<\/li>\n<\/ul>\n<h2>Main industries and applications<\/h2>\n<ul>\n<li><strong>Construction &amp; renovation:<\/strong> cement and mineral dust.<\/li>\n<li><strong>Manufacturing &amp; woodworking:<\/strong> sanding, cutting and sweeping tasks.<\/li>\n<li><strong>Light chemical handling:<\/strong> where odours are noticeable but stay below the exposure limit.<\/li>\n<li><strong>Food, service &amp; light industry:<\/strong> settings where exhaled air should also be filtered.<\/li>\n<\/ul>\n<h2>Technical specifications<\/h2>\n<table>\n<tr>\n<th>Attribute<\/th>\n<th>Specification<\/th>\n<\/tr>\n<tr>\n<td>Model<\/td>\n<td>3M 9541<\/td>\n<\/tr>\n<tr>\n<td>Type<\/td>\n<td>Flat-fold disposable particulate respirator, no valve<\/td>\n<\/tr>\n<tr>\n<td>Standard<\/td>\n<td>KN95 to GB2626 (3M user instructions: GB2626-2006)<\/td>\n<\/tr>\n<tr>\n<td>Filtration<\/td>\n<td>&ge;95% non-oil particulates<\/td>\n<\/tr>\n<tr>\n<td>Carbon layer<\/td>\n<td>Yes &mdash; nuisance-level organic vapour and odour relief<\/td>\n<\/tr>\n<tr>\n<td>Valve<\/td>\n<td>None<\/td>\n<\/tr>\n<tr>\n<td>Strap style<\/td>\n<td>Ear loop, standard size<\/td>\n<\/tr>\n<tr>\n<td>Brand \/ Origin<\/td>\n<td>3M<\/td>\n<\/tr>\n<\/table>\n<h2>Why buy from Techmaster Electronics<\/h2>\n<p>Techmaster Electronics is an authorised supplier of 3M personal protective equipment in Vietnam. We supply genuine 3M respirators, advise on the right protection level for your work, and provide dependable after-sales support. Contact Techmaster for a free consultation and a quotation.<\/p>\n<h2>Frequently asked questions<\/h2>\n<h3>What does the 3M 9541 protect against?<\/h3>\n<p>It filters at least 95% of fine non-oil airborne particles such as dust and mist, and its carbon layer reduces odours and organic vapours at nuisance levels. It is not protection against gases or against vapours at or above the occupational exposure limit.<\/p>\n<h3>Does the 9541 have an exhalation valve?<\/h3>\n<p>No. The 9541 is the non-valved model; the <a href=\"https:\/\/techmaster.com.vn\/en\/3m-9541v-kn95-valved-carbon-respirator\/\">3M 9541V<\/a> is the same mask with a Cool Flow valve.<\/p>\n<h3>Can I use it for solvent work?<\/h3>\n<p>No. Once organic vapour concentrations reach the occupational exposure limit, a disposable particulate respirator is no longer suitable &mdash; use a half facepiece with organic vapour cartridges instead.<\/p>\n<h3>Is it reusable?<\/h3>\n<p>No. Like other disposable respirators it is intended for single-shift use and should be discarded when soiled, damaged, or when breathing becomes difficult.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>3M 9541 KN95 Particulate Respirator, Ear Loop, No Valve The 3M 9541 KN95 respirator is a genuine 3M flat-fold disposable mask that filters at least 95% of fine non-oil particles. It has no exhalation valve, so air is filtered in both directions, and an added carbon layer gives relief from nuisance levels of organic vapours [&#8230;]\n","protected":false},"featured_media":205440,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[951,959],"product_tag":[],"class_list":{"0":"post-193826","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-3m-respiratory-protection","7":"product_cat-disposable-respirators","8":"pa_brand-3m-en","10":"first","11":"instock","12":"shipping-taxable","13":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v26.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>3M 9541 KN95 Respirator, No Valve | Techmaster<\/title>\n<meta name=\"description\" content=\"Buy the 3M 9541 KN95 respirator at Techmaster - genuine 3M flat-fold ear-loop mask, no valve, with a carbon layer for nuisance-level odour relief.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/techmaster.com.vn\/en\/3m-9541-kn95-carbon-respirator-no-valve\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"3M 9541 KN95 Particulate Respirator, Ear Loop, No Valve\" \/>\n<meta property=\"og:description\" content=\"Buy the 3M 9541 KN95 respirator at Techmaster - genuine 3M flat-fold ear-loop mask, no valve, with a carbon layer for nuisance-level odour relief.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/techmaster.com.vn\/en\/3m-9541-kn95-carbon-respirator-no-valve\/\" \/>\n<meta property=\"og:site_name\" content=\"Techmaster Electronics JSC\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/techmaster.electronics.jsc\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-28T05:08:02+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/techmaster.com.vn\/wp-content\/uploads\/2026\/07\/particulate-respirator-9542a-9541-1-ea-bag-25-bag-box-10-box-case_11zon-sq.png\" \/>\n\t<meta property=\"og:image:width\" content=\"236\" \/>\n\t<meta property=\"og:image:height\" content=\"236\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@techmastervn\" \/>\n<meta name=\"twitter:label1\" content=\"Price\" \/>\n\t<meta name=\"twitter:data1\" content=\"Call for Price\" \/>\n\t<meta name=\"twitter:label2\" content=\"Availability\" \/>\n\t<meta name=\"twitter:data2\" content=\"In stock\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/techmaster.com.vn\/en\/3m-9541-kn95-carbon-respirator-no-valve\/\",\"url\":\"https:\/\/techmaster.com.vn\/en\/3m-9541-kn95-carbon-respirator-no-valve\/\",\"name\":\"3M 9541 KN95 Respirator, No Valve | Techmaster\",\"isPartOf\":{\"@id\":\"https:\/\/techmaster.com.vn\/en\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/techmaster.com.vn\/en\/3m-9541-kn95-carbon-respirator-no-valve\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/techmaster.com.vn\/en\/3m-9541-kn95-carbon-respirator-no-valve\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/techmaster.com.vn\/wp-content\/uploads\/2026\/07\/particulate-respirator-9542a-9541-1-ea-bag-25-bag-box-10-box-case_11zon-sq.png\",\"datePublished\":\"2024-10-09T07:03:09+00:00\",\"dateModified\":\"2026-09-28T05:08:02+00:00\",\"description\":\"Buy the 3M 9541 KN95 respirator at Techmaster - 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