{"product_id":"duravent-2-inner-diameter-duraflex-al-aluminum-flex-length-type-b-gas-vent-pipe","title":"DuraVent 2\" Inner Diameter DuraFlex AL - Aluminum Flex Length Type B Gas Vent Pipe","description":"\u003ch3 style=\"text-align: center;\"\u003e\n\u003cspan\u003e \u003c\/span\u003eDuraVent DuraFlex AL 2\" x 50\" Aluminum Length\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eDuraVent DuraFlex AL 2\" x 50\" Aluminum Length\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is an economical \u003c\/span\u003eflexible chimney liner component designed for masonry chimney relining applications with Category I natural gas and liquid propane appliances. This lightweight aluminum liner is ideal for Type B Gas Vent applications, including natural gas fireplaces, gas-fired furnaces, boilers, water heaters, and wall or space heating systems. It helps protect masonry chimneys from the damaging effects of flue gas condensation while improving venting reliability.\u003c\/p\u003e\n\u003cp\u003eEngineered by DuraVent, a trusted leader in chimney and venting solutions, the DuraFlex Aluminum liner system provides flexible installation and dependable performance for residential and commercial gas appliance venting. Its durable aluminum construction offers a cost-effective solution for chimney restoration, gas vent replacement, and flexible liner installations\u003cspan\u003e where efficient and safe exhaust performance is required.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cdiv data-is-intersecting=\"true\" data-turn-id-container=\"60d60be7-2869-4386-925a-ec0c7d3984f2\" class=\"\"\u003e\n\u003csection data-turn=\"assistant\" data-testid=\"conversation-turn-2528\" data-turn-id-container=\"60d60be7-2869-4386-925a-ec0c7d3984f2\" data-turn-id=\"60d60be7-2869-4386-925a-ec0c7d3984f2\" dir=\"auto\" class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-15 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" data-conversation-screenshot-content=\"\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-5-mini\" dir=\"auto\" data-turn-start-message=\"true\" data-message-id=\"60d60be7-2869-4386-925a-ec0c7d3984f2\" data-message-author-role=\"assistant\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cul data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"1221\" data-start=\"0\"\u003e\n\u003cli data-end=\"221\" data-start=\"0\" data-section-id=\"biaojg\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"47\" data-start=\"2\"\u003eDuraVent DuraFlex AL Aluminum Flex Liner:\u003c\/strong\u003e The DuraFlex AL 2\" x 50\" Aluminum Length is designed specifically for air intake applications, providing a reliable solution for compatible venting and HVAC systems\u003cstrong\u003e.\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"392\" data-start=\"222\" data-section-id=\"10kxihj\"\u003e\n\u003cstrong\u003eSingle-Wall Aluminum Construction: \u003c\/strong\u003eManufactured with durable single-wall (1-ply) aluminum flex liner material for lightweight performance and easy installation.\u003c\/li\u003e\n\u003cli data-end=\"575\" data-start=\"393\" data-section-id=\"u5au0m\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"434\" data-start=\"395\"\u003eAvailable in Multiple Flex Lengths:\u003c\/strong\u003e Offered in 25-foot, 35-foot, and 50-foot lengths, providing flexible options for various air intake and chimney system applications.\u003c\/li\u003e\n\u003cli data-end=\"729\" data-start=\"576\" data-section-id=\"4zu8ba\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"614\" data-start=\"578\"\u003eDesigned for Air Intake Systems:\u003c\/strong\u003e Ideal for use as an aluminum flexible air intake liner where dependable airflow and easy routing are required.\u003c\/li\u003e\n\u003cli data-end=\"901\" data-start=\"730\" data-section-id=\"1bdtawx\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"767\" data-start=\"732\"\u003eFlexible Installation Solution:\u003c\/strong\u003e The lightweight aluminum design allows for easier handling, positioning, and installation in residential and commercial applications.\u003c\/li\u003e\n\u003cli data-end=\"1064\" data-start=\"902\" data-section-id=\"17oey85\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"943\" data-start=\"904\"\u003eQuality DuraVent Venting Component:\u003c\/strong\u003e Manufactured by DuraVent, a trusted leader in chimney liners, flexible vent systems, and HVAC venting solutions.\u003c\/li\u003e\n\u003cli data-is-last-node=\"\" data-end=\"1221\" data-start=\"1065\" data-section-id=\"12t1j6h\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"1102\" data-start=\"1067\"\u003eEconomical Aluminum Flex Liner:\u003c\/strong\u003e Provides a cost-effective air intake solution with durable aluminum construction for long-term system performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width: 520px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\"\u003eSize\u003c\/td\u003e\n\u003ctd style=\"width: 193.802px;\"\u003eFlex Length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003e2DFA-25\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\"\u003e2'\u003c\/td\u003e\n\u003ctd style=\"width: 193.802px;\"\u003e5 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003e2DFA-25\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\"\u003e2\"\u003c\/td\u003e\n\u003ctd style=\"width: 193.802px;\"\u003e25 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003e2DFA-35\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\"\u003e2\"\u003c\/td\u003e\n\u003ctd style=\"width: 193.802px;\"\u003e35 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003e2DFA-50\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\"\u003e2\"\u003c\/td\u003e\n\u003ctd style=\"width: 193.802px;\"\u003e50 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003eVent Type\u003c\/td\u003e\n\u003ctd colspan=\"2\" style=\"width: 372px;\"\u003e\u003cspan\u003eType B Gas Vent\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003e\u003cspan\u003eMaterials \u0026amp; Const.\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 372px;\" colspan=\"2\"\u003e\u003cspan\u003e010” aluminum (2-ply of .005”)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003eClearance\u003c\/td\u003e\n\u003ctd colspan=\"2\" style=\"width: 372px;\"\u003e\u003cspan\u003e0” clearance to masonry\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003eListings\u003c\/td\u003e\n\u003ctd colspan=\"2\" style=\"width: 372px;\"\u003e\u003cspan\u003eListed to UL 1777 and ULC S635\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd colspan=\"2\" style=\"width: 372px;\"\u003eLimited Lifetime Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDownloads\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0100\/7917\/4734\/files\/DuraFlex_AL_Catalog.pdf?v=1667002866\" target=\"_blank\"\u003e\u003cstrong\u003eProduct Catalog\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0100\/7917\/4734\/files\/DFAL_Warranty.pdf?v=1667002768\" target=\"_blank\"\u003e\u003cstrong\u003eProduct Warranty\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0100\/7917\/4734\/files\/DFAL_Installation_Instruction.pdf?v=1667002803\" target=\"_blank\"\u003e\u003cstrong\u003eInstallation Manual\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0100\/7917\/4734\/files\/Typical_Installations_DFAL.pdf?v=1667002846\" target=\"_blank\"\u003e\u003cstrong\u003eTypical Installations\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DuraVent","offers":[{"title":"5\"","offer_id":53631892095267,"sku":"2DFA-5","price":39.0,"currency_code":"USD","in_stock":false},{"title":"25\"","offer_id":55342474330403,"sku":"2DFA-25","price":174.0,"currency_code":"USD","in_stock":false},{"title":"35\"","offer_id":55342474363171,"sku":"2DFA-35","price":246.0,"currency_code":"USD","in_stock":false},{"title":"50\"","offer_id":55342474395939,"sku":"2DFA-50","price":348.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/6926\/8771\/files\/DuraVent-2_-Inner-Diameter-DuraFlex-AL-Aluminum-Flex-Length-Type-B-Gas-Vent-Pipe-DuraVent-Dreamwood-Living-26029939.jpg?v=1780434738","url":"https:\/\/www.dreamwoodliving.com\/products\/duravent-2-inner-diameter-duraflex-al-aluminum-flex-length-type-b-gas-vent-pipe","provider":"Dreamwood Living","version":"1.0","type":"link"}