{"product_id":"sigma-of-90-nbc-filter","title":"Sigma OF-90 NBC Filter","description":"\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eSigma OF-90 NBC Filter\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"p2\"\u003eThe \u003cspan class=\"s1\"\u003e\u003cb\u003eSigma OF-90 NBC Filter\u003c\/b\u003e\u003c\/span\u003e is a high-performance combination filter designed to provide reliable respiratory protection against a broad range of chemical, biological and particulate hazards. Compliant with \u003cspan class=\"s1\"\u003e\u003cb\u003eEN 14387:2021\u003c\/b\u003e\u003c\/span\u003e, the OF-90 is designed for use with compatible chemical protective masks and is suitable for military, law enforcement, emergency response and industrial applications.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eThe gas and vapor filtration stage uses \u003cspan class=\"s1\"\u003e\u003cb\u003echemically impregnated activated carbon\u003c\/b\u003e\u003c\/span\u003e to adsorb toxic substances and their compounds. The activated carbon is free from chromium and uses metal salts including copper, silver and zinc to enhance the removal of hazardous gases. Its high specific surface area of up to \u003cspan class=\"s1\"\u003e\u003cb\u003e1500 m²\/g\u003c\/b\u003e\u003c\/span\u003e provides effective physical gas adsorption.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eThe particulate filtration stage uses a highly efficient \u003cspan class=\"s1\"\u003e\u003cb\u003eHEPA H14 filter element\u003c\/b\u003e\u003c\/span\u003e manufactured from hydrophobic filter material. Compliant with \u003cspan class=\"s1\"\u003e\u003cb\u003eEN 143:2021\u003c\/b\u003e\u003c\/span\u003e, the filter provides high filtration efficiency while maintaining low breathing resistance. It removes harmful solid and liquid particles, biological aerosols, radioactive aerosols, dust, bacteria and viruses from the passing air.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eThe durable filter housing is manufactured from \u003cspan class=\"s1\"\u003e\u003cb\u003eNoryl™ plastic\u003c\/b\u003e\u003c\/span\u003e, providing excellent resistance to impact and damage during use. The black matte finish is well suited to professional and tactical applications.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eFeatures\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNBC combination filter for chemical, biological and particulate protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"s1\"\u003eComplies with \u003c\/span\u003e\u003cspan class=\"s2\"\u003e\u003cb\u003eEN 14387:2021\u003c\/b\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompatible with suitable chemical protective masks\u003c\/li\u003e\n\u003cli\u003eGas and vapor filtration using chemically impregnated activated carbon\u003c\/li\u003e\n\u003cli\u003eChromium-free activated carbon formulation\u003c\/li\u003e\n\u003cli\u003eActivated carbon impregnated with copper, silver, zinc and other compounds\u003c\/li\u003e\n\u003cli\u003eSorbent specific surface area of up to 1500 m²\/g\u003c\/li\u003e\n\u003cli\u003eHighly efficient \u003cspan class=\"s1\"\u003e\u003cb\u003eHEPA H14\u003c\/b\u003e\u003c\/span\u003e particulate filter\u003c\/li\u003e\n\u003cli\u003eHydrophobic filter material\u003c\/li\u003e\n\u003cli\u003eHigh filtration efficiency with low breathing resistance\u003c\/li\u003e\n\u003cli\u003eFilters harmful solid and liquid particles\u003c\/li\u003e\n\u003cli\u003eFilters biological solid and liquid aerosols\u003c\/li\u003e\n\u003cli\u003eFilters radioactive aerosols\u003c\/li\u003e\n\u003cli\u003eFilters dust, bacteria and viruses\u003c\/li\u003e\n\u003cli\u003eImpact-resistant Noryl™ filter housing\u003c\/li\u003e\n\u003cli\u003eBlack matte finish\u003c\/li\u003e\n\u003cli\u003eStandard \u003cspan class=\"s1\"\u003e\u003cb\u003eRd 40 × 1\/7”\u003c\/b\u003e\u003c\/span\u003e filter thread\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eProtection\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"p3\"\u003eThe OF-90 NBC Filter provides protection against:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOrganic gases and vapors from substances with a boiling point above 65 °C\u003c\/li\u003e\n\u003cli\u003eInorganic gases and vapors\u003c\/li\u003e\n\u003cli\u003eSulfur dioxide\u003c\/li\u003e\n\u003cli\u003eHydrogen chloride\u003c\/li\u003e\n\u003cli\u003eOther acid gases and vapors\u003c\/li\u003e\n\u003cli\u003eHarmful solid and liquid particles\u003c\/li\u003e\n\u003cli\u003eBiological aerosols\u003c\/li\u003e\n\u003cli\u003eRadioactive aerosols\u003c\/li\u003e\n\u003cli\u003eDust\u003c\/li\u003e\n\u003cli\u003eBacteria\u003c\/li\u003e\n\u003cli\u003eViruses\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p2\"\u003eThe manufacturer provides additional information regarding protection against other chemical substances and their compounds.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eConstruction\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eNoryl™ Housing\u003c\/b\u003e\u003cbr\u003eThe filter body is manufactured from highly durable Noryl™ plastic, offering strong resistance to shocks and damage during use. The housing has a black matte finish.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eActivated Carbon Gas Filter\u003c\/b\u003e\u003cbr\u003eThe gas adsorption stage uses chemically impregnated activated carbon without chromium. Copper, silver, zinc and other compounds are used to support the removal of toxic gases, while the high specific surface area of the sorbent enables effective physical adsorption.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eHEPA H14 Particulate Filter\u003c\/b\u003e\u003cbr\u003eThe particulate filter element is made from a special hydrophobic filter material meeting the \u003cspan class=\"s1\"\u003e\u003cb\u003eEN 143:2021\u003c\/b\u003e\u003c\/span\u003e standard. Its high filtration efficiency is combined with low breathing resistance for improved usability.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProduct type: NBC combination filter\u003c\/li\u003e\n\u003cli\u003eGas filtration: Chemically impregnated activated carbon\u003c\/li\u003e\n\u003cli\u003eParticulate filtration: HEPA H14\u003c\/li\u003e\n\u003cli\u003eActivated carbon surface area: Up to 1500 m²\/g\u003c\/li\u003e\n\u003cli\u003eFilter body: Noryl™ plastic\u003c\/li\u003e\n\u003cli\u003eFilter colour: Black, matte\u003c\/li\u003e\n\u003cli\u003eFilter thread: Rd 40 × 1\/7”\u003c\/li\u003e\n\u003cli\u003eThread standard: EN 148-1:2018\u003c\/li\u003e\n\u003cli\u003eFilter standard: EN 143:2021\u003c\/li\u003e\n\u003cli\u003eCombination filter standard: EN 14387:2021\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Sigma","offers":[{"title":"Default Title","offer_id":58427692515672,"sku":null,"price":24.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/8243\/3368\/files\/OF-90-1-2048x1638.jpg?v=1788946147","url":"https:\/\/geardom.com\/products\/sigma-of-90-nbc-filter","provider":"Geardom","version":"1.0","type":"link"}