{"id":5675,"date":"2023-12-11T16:13:52","date_gmt":"2023-12-11T08:13:52","guid":{"rendered":"https:\/\/addmaker.a2hosted.com\/hencolin\/?p=5675"},"modified":"2026-07-09T16:40:50","modified_gmt":"2026-07-09T08:40:50","slug":"what-is-a-chemical-filter-gas-phase-filtration-guide","status":"publish","type":"post","link":"https:\/\/www.hencolin.com\/en\/air-filter-knowledge-installation-guides-hencolin\/what-is-a-chemical-filter-gas-phase-filtration-guide\/","title":{"rendered":"What is Chemical Filter?"},"content":{"rendered":"\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-transparent ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u5927\u7db1<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" 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\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" 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><\/span><\/a><\/span><\/div>\n<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:\/\/www.hencolin.com\/en\/air-filter-knowledge-installation-guides-hencolin\/what-is-a-chemical-filter-gas-phase-filtration-guide\/#1_What_is_ChemicalGas_Phase_Filter\" >1. What is Chemical\/Gas Phase Filter?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.hencolin.com\/en\/air-filter-knowledge-installation-guides-hencolin\/what-is-a-chemical-filter-gas-phase-filtration-guide\/#2_The_features_advantages_of_ChemicalGas_Phase_Filters\" >2. The features &amp; advantages of Chemical\/Gas Phase Filters<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.hencolin.com\/en\/air-filter-knowledge-installation-guides-hencolin\/what-is-a-chemical-filter-gas-phase-filtration-guide\/#3_Applications\" >3. Applications<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.hencolin.com\/en\/air-filter-knowledge-installation-guides-hencolin\/what-is-a-chemical-filter-gas-phase-filtration-guide\/#4_The_types_of_ChemicalGas_Phase_Filters\" >4. The types of Chemical\/Gas Phase Filters<\/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-5\" href=\"https:\/\/www.hencolin.com\/en\/air-filter-knowledge-installation-guides-hencolin\/what-is-a-chemical-filter-gas-phase-filtration-guide\/#A_Carbon_Loaded_Web_Type_Chemical_Filters\" >A.&nbsp;Carbon Loaded Web Type Chemical Filters<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.hencolin.com\/en\/air-filter-knowledge-installation-guides-hencolin\/what-is-a-chemical-filter-gas-phase-filtration-guide\/#B_V_Bank_Gas_Phase_filters\" >B.&nbsp;V Bank Gas Phase filters<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.hencolin.com\/en\/air-filter-knowledge-installation-guides-hencolin\/what-is-a-chemical-filter-gas-phase-filtration-guide\/#C_Honeycomb_Activated_Carbon_Filters\" >C.&nbsp;Honeycomb Activated Carbon Filters<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_What_is_ChemicalGas_Phase_Filter\"><\/span><strong>1. What is Chemical\/Gas Phase Filter?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><a style=\"text-decoration: none; color: black;\" href=\"https:\/\/www.hencolin.com\/en\/product-list.asp?kind=846\" target=\"_blank\" rel=\"noreferrer noopener\">Chemical Filters\/Gas Phase Filters<\/a>&nbsp;by definition is to adsorb and remove the vapors, bad odors, toxic gases and chemical contaminants in the air that are invisible to our naked eyes and harmful for human health. The gas phase filter media in general is mostly made by activated carbons and coconuts charcoals. They are normally installed in the HVAC (Heating, Ventilation, Air-Conditioning and Cooling) systems. (see the image below). Facilitated with the chemical filters, they protect the equipment in the plants and offices from bad odors and corrosion and maintain the staffs\u2019 health.\u00ad<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/Airborne-paricles-vs_-Filtration-types-11.jpg?ssl=1\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"756\" src=\"https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/Airborne-paricles-vs_-Filtration-types-11.jpg?resize=1024%2C756&#038;ssl=1\" alt=\"\" class=\"wp-image-5688\" srcset=\"https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/Airborne-paricles-vs_-Filtration-types-11.jpg?w=1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/Airborne-paricles-vs_-Filtration-types-11.jpg?resize=300%2C221&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/Airborne-paricles-vs_-Filtration-types-11.jpg?resize=768%2C567&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/Airborne-paricles-vs_-Filtration-types-11.jpg?resize=600%2C443&amp;ssl=1 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" data-recalc-dims=\"1\" \/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_The_features_advantages_of_ChemicalGas_Phase_Filters\"><\/span><strong>2. The features &amp; advantages of Chemical\/Gas Phase Filters<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Gas phase \ufb01lter is functioned for odors removal with puri\ufb01ed active carbon pore volume. Active carbon is an organic solvent composed of active carbon pore volume. The substances are odorless, tasteless and insoluble in water. With high quality adsorption for organic macromolecular substance microconstituent, pigment, bad odor substance. The effects are achieved by physical and chemical absorption.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/Active-carbon-pore-volume_\u5de5\u4f5c\u5340\u57df-1-1024x383.jpg?ssl=1\"><img decoding=\"async\" width=\"1024\" height=\"383\" src=\"https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/Active-carbon-pore-volume_\u5de5\u4f5c\u5340\u57df-1.jpg?resize=1024%2C383&#038;ssl=1\" alt=\"\" class=\"wp-image-5676\" srcset=\"https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/Active-carbon-pore-volume_\u5de5\u4f5c\u5340\u57df-1.jpg?resize=1024%2C383&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/Active-carbon-pore-volume_\u5de5\u4f5c\u5340\u57df-1.jpg?resize=300%2C112&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/Active-carbon-pore-volume_\u5de5\u4f5c\u5340\u57df-1.jpg?resize=768%2C287&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/Active-carbon-pore-volume_\u5de5\u4f5c\u5340\u57df-1.jpg?resize=600%2C224&amp;ssl=1 600w, https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/Active-carbon-pore-volume_\u5de5\u4f5c\u5340\u57df-1.jpg?w=1239&amp;ssl=1 1239w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" data-recalc-dims=\"1\" \/><\/a><\/figure>\n\n\n\n<ul>\n<li>High contamination removal efficiency<\/li>\n\n\n\n<li>Odor control for demanding IAQ (Indoor Air Quality) applications<\/li>\n\n\n\n<li>Available in a variety of styles to fit your HVAC retrofit needs<\/li>\n\n\n\n<li>Low pressure drop<\/li>\n\n\n\n<li>High carbon Loading<\/li>\n\n\n\n<li>High air permeability<\/li>\n\n\n\n<li>Excellent polishing filters where high contaminant concentrations are involved.<\/li>\n\n\n\n<li>Media options for improved removal of specific gases, such as ammonia &amp; amines acid gas, VOCs<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/Media-specs.jpg?ssl=1\"><img decoding=\"async\" width=\"876\" height=\"976\" src=\"https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/Media-specs.jpg?resize=876%2C976&#038;ssl=1\" alt=\"\" class=\"wp-image-5684\" srcset=\"https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/Media-specs.jpg?w=876&amp;ssl=1 876w, https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/Media-specs.jpg?resize=269%2C300&amp;ssl=1 269w, https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/Media-specs.jpg?resize=768%2C856&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/Media-specs.jpg?resize=300%2C334&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/Media-specs.jpg?resize=600%2C668&amp;ssl=1 600w\" sizes=\"(max-width: 876px) 100vw, 876px\" data-recalc-dims=\"1\" \/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Applications\"><\/span><strong>3. Applications<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>GAS PHASE chemical filters are designed for effective gas-phase removal of medium and low concentrations of gas-phase contamination in fresh air and recirculation air handling systems. The packs are arranged in a V-shape or Carbon Loaded Web Type to utilize max amounts of media for the given face area.<\/p>\n\n\n\n<p>High Efficiency GAS PHASE filters are well suited for demanding HVAC applications in semiconductor industry, TFT-LCD (Thin film transistor liquid crystal display) industry, pharmaceutical industry, Food and Beverage industry, hospitals, airports and other installations areas where indoor air quality problems can be found. The chemical filters are applied in a variety of standard or customized sizes which can easily fit into most existing HVAC units and new construction.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/Application-areas-of-Chemical-Filters.jpg?ssl=1\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"718\" src=\"https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/Application-areas-of-Chemical-Filters.jpg?resize=1024%2C718&#038;ssl=1\" alt=\"\" class=\"wp-image-5678\" srcset=\"https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/Application-areas-of-Chemical-Filters.jpg?w=1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/Application-areas-of-Chemical-Filters.jpg?resize=300%2C210&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/Application-areas-of-Chemical-Filters.jpg?resize=768%2C539&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/Application-areas-of-Chemical-Filters.jpg?resize=600%2C421&amp;ssl=1 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" data-recalc-dims=\"1\" \/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_The_types_of_ChemicalGas_Phase_Filters\"><\/span><strong>4. The types of Chemical\/Gas Phase Filters<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"A_Carbon_Loaded_Web_Type_Chemical_Filters\"><\/span><strong>A.&nbsp;<\/strong><a style=\"text-decoration: none; color: black;\" href=\"https:\/\/www.hencolin.com\/en\/product-info.asp?id=367\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Carbon Loaded Web Type Chemical Filters<\/strong><\/a><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>The chemical\/gas phase filters remove the acid gases like HCI (hydrochloric acid), H2S (Hydrogen sulfide), SO2 (Sulphur dioxide), NO2 (Nitrogen dioxide), H2SO4 (Sulfuric acid), and other gases including Ammonia, Amides and VOCs (Volatile Organic Compounds), etc. They can remove the indoor airborne contaminants and bad odors with high volume. High efficiency activated carbon air filters can be widely applied in areas with HVAC systems such as commercial buildings, hospitals, airports, and other indoor areas required.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"374\" src=\"https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/Carbon-Loaded-Web-Type-Chemical-Filters.jpg?resize=1000%2C374&#038;ssl=1\" alt=\"\" class=\"wp-image-5680\" srcset=\"https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/Carbon-Loaded-Web-Type-Chemical-Filters.jpg?w=1000&amp;ssl=1 1000w, https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/Carbon-Loaded-Web-Type-Chemical-Filters.jpg?resize=300%2C112&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/Carbon-Loaded-Web-Type-Chemical-Filters.jpg?resize=768%2C287&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/Carbon-Loaded-Web-Type-Chemical-Filters.jpg?resize=600%2C224&amp;ssl=1 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" data-recalc-dims=\"1\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"B_V_Bank_Gas_Phase_filters\"><\/span><strong>B.&nbsp;<\/strong><a style=\"text-decoration: none; color: black;\" href=\"https:\/\/www.hencolin.com\/en\/product-info.asp?id=360\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>V Bank Gas Phase filters<\/strong><\/a><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>The V bank activated carbon filters are normally used in the industrial applications of the HVAC systems. They are applied to remove the chemical gases, bad odors in the work surroundings such as pharmaceutical, chemical, constructional industries. What is more, they are able to trap and remove the chemical odors\/particles including HCI, H2S, SO2, NO2, H2SO3, and VOCs, that is harmful our health. The V bank chemical filters can be also worked along with HEPA filters that makes the filtration with higher efficiency.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"374\" src=\"https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/V-Bank-Gas-Phase-filters1.jpg?resize=1000%2C374&#038;ssl=1\" alt=\"\" class=\"wp-image-5686\" srcset=\"https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/V-Bank-Gas-Phase-filters1.jpg?w=1000&amp;ssl=1 1000w, https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/V-Bank-Gas-Phase-filters1.jpg?resize=300%2C112&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/V-Bank-Gas-Phase-filters1.jpg?resize=768%2C287&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/V-Bank-Gas-Phase-filters1.jpg?resize=600%2C224&amp;ssl=1 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" data-recalc-dims=\"1\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"C_Honeycomb_Activated_Carbon_Filters\"><\/span><strong>C.&nbsp;<\/strong><a style=\"text-decoration: none; color: black;\" href=\"https:\/\/www.hencolin.com\/en\/product-info.asp?id=368\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Honeycomb Activated Carbon Filters<\/strong><\/a><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>Honeycomb activated carbon filters are made by the polypropylene honeycomb shapes as carriers, and filled in with granulated activated carbon in the filter which enable the filters to remove the harmful gas, smoke, formaldehyde, odors, bad smells, dust and airborne bacteria.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"341\" src=\"https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/Honeycomb-Activated-Carbon-Filters.jpg?resize=1024%2C341&#038;ssl=1\" alt=\"\" class=\"wp-image-5682\" srcset=\"https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/Honeycomb-Activated-Carbon-Filters.jpg?resize=1024%2C341&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/Honeycomb-Activated-Carbon-Filters.jpg?resize=300%2C100&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/Honeycomb-Activated-Carbon-Filters.jpg?resize=768%2C256&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/Honeycomb-Activated-Carbon-Filters.jpg?resize=600%2C200&amp;ssl=1 600w, https:\/\/i0.wp.com\/www.hencolin.com\/wp-content\/uploads\/2023\/12\/Honeycomb-Activated-Carbon-Filters.jpg?w=1122&amp;ssl=1 1122w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" data-recalc-dims=\"1\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>1. What is Chemical\/Gas Phase Filter? Chemical Filters\/Gas Phase Filters&nbsp;by definition is to adsorb and remove the vapors, bad odors, toxic gases and chemical contaminants in the air that are invisible to our naked eyes and harmful for human health. The gas phase filter media in general is mostly made by activated carbons and coconuts [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":5692,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_jetpack_memberships_contains_paid_content":false},"categories":[141,26],"tags":[],"blocksy_meta":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is Chemical Filter? - Hencolin International |Industrial Air Filter Manufacturer<\/title>\n<meta name=\"description\" content=\"Learn what chemical and gas phase filters are, how activated carbon removes odors, VOCs, acid gases and airborne contaminants in HVAC systems.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.hencolin.com\/en\/air-filter-knowledge-installation-guides-hencolin\/what-is-a-chemical-filter-gas-phase-filtration-guide\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is Chemical Filter? 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