{"product_id":"duravent-25-flex-pipe-length-duraflex-304-stainless-steel","title":"DuraVent 25' Flex Pipe Length DuraFlex 304 Stainless Steel","description":"\u003ch3 style=\"text-align: center;\"\u003eDuraVent 25' Flex Pipe Length DuraFlex 304 Stainless Steel\u003c\/h3\u003e\n\u003cdiv data-is-intersecting=\"true\" data-turn-id-container=\"request-6a43b619-0ba0-83e9-8ec8-3118c3ecac8e-0\" class=\"\"\u003e\n\u003csection data-turn=\"assistant\" data-testid=\"conversation-turn-1786\" data-turn-id-container=\"request-6a43b619-0ba0-83e9-8ec8-3118c3ecac8e-0\" data-turn-id=\"request-6a43b619-0ba0-83e9-8ec8-3118c3ecac8e-0\" 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 [--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\" dir=\"auto\" data-message-id=\"7f380312-521a-433c-b919-d926c8208465\" data-message-author-role=\"assistant\"\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\u003cp data-end=\"715\" data-start=\"0\"\u003eThe \u003cstrong data-end=\"59\" data-start=\"4\"\u003eDuraVent 25' DuraFlex 304 Stainless Steel Flex Pipe\u003c\/strong\u003e is a dependable flexible chimney liner designed for efficient masonry chimney relining in residential and commercial heating systems. Constructed from durable 304 stainless steel, this 25-foot chimney liner is ideal for wood-burning fireplaces, wood stoves, non-condensing gas appliances, and oil-fired heating equipment where minimal chimney offsets exist. Its lightweight, flexible construction allows for straightforward installation while delivering excellent corrosion resistance and reliable venting performance. The DuraFlex 304 system is UL 1777 and ULC S635 listed, ensuring trusted safety and code-compliant installation.\u003c\/p\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"1277\" data-start=\"717\"\u003eDesigned to improve chimney efficiency, the DuraFlex 304 stainless steel chimney liner promotes smooth flue gas flow while protecting masonry chimneys from moisture, heat, and corrosive byproducts. This 25-foot flexible chimney liner is an excellent choice for fireplace inserts, furnaces, boilers, and oil heating systems, offering long-lasting durability and dependable operation. Whether replacing an aging liner or upgrading an existing venting system, DuraVent DuraFlex 304 provides professional-grade quality and reliable chimney performance\u003c\/p\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\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-end=\"198\" data-start=\"0\" data-section-id=\"z4ixds\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"58\" data-start=\"2\"\u003eDuraVent 25' DuraFlex 304 Stainless Steel Flex Pipe:\u003c\/strong\u003e Premium 25-foot flexible chimney liner designed for dependable masonry chimney relining and long-lasting vent system performance.\u003cspan class=\"PDq2pG_selectionAnchor\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"372\" data-start=\"199\" data-section-id=\"1ddl6h7\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"238\" data-start=\"201\"\u003e304 Stainless Steel Construction:\u003c\/strong\u003e Manufactured from high-quality 304 stainless steel for superior corrosion resistance, durability, and reliable chimney venting.\u003c\/li\u003e\n\u003cli data-end=\"571\" data-start=\"373\" data-section-id=\"1a4v8jc\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"415\" data-start=\"375\"\u003eCompatible with Multiple Fuel Types:\u003c\/strong\u003e Designed for use with solid fuel, non-condensing gas, and oil-fired appliances, making it a versatile chimney liner for a variety of heating systems.\u003c\/li\u003e\n\u003cli data-end=\"773\" data-start=\"572\" data-section-id=\"9yimwx\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"608\" data-start=\"574\"\u003eFlexible Chimney Liner Design:\u003c\/strong\u003e The\u003cstrong\u003e \u003c\/strong\u003eflexible stainless steel liner easily adapts to masonry chimneys with minimal offsets, simplifying installation while maintaining efficient flue gas flow.\u003c\/li\u003e\n\u003cli data-end=\"924\" data-start=\"774\" data-section-id=\"1jw2rcq\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"808\" data-start=\"776\"\u003eEnhances Chimney Efficiency:\u003c\/strong\u003e Improves draft performance and helps protect masonry chimneys from heat, moisture, and corrosive flue byproducts.\u003c\/li\u003e\n\u003cli data-end=\"1083\" data-start=\"925\" data-section-id=\"1d14pv4\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"973\" data-start=\"927\"\u003eIdeal for Wood, Gas \u0026amp; Oil Heating Systems:\u003c\/strong\u003e Suitable for wood stoves, fireplaces, fireplace inserts, furnaces, boilers, and oil heating appliances.\u003c\/li\u003e\n\u003cli data-end=\"1258\" data-start=\"1084\" data-section-id=\"n3nv7e\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"1114\" data-start=\"1086\"\u003eUL Listed Chimney Liner:\u003c\/strong\u003e Part of the trusted DuraVent DuraFlex 304 system, UL 1777 and ULC S635 listed for safe, code-compliant chimney relining applications.\u003c\/li\u003e\n\u003cli data-end=\"1419\" data-start=\"1259\" data-section-id=\"1x2icbs\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"1307\" data-start=\"1261\"\u003eProfessional Chimney Restoration Solution:\u003c\/strong\u003e Perfect for chimney liner replacement, fireplace vent upgrades, and masonry chimney restoration projects\u003c\/li\u003e\n\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;\"\u003e3DF304-25\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\"\u003e3\" I.D\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;\"\u003e4DF304-25\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\"\u003e4\" I.D\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;\"\u003e5DF304-25\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\"\u003e5\" I.D\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;\"\u003e55DF304-25\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\"\u003e5.5\" I.D\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;\"\u003e6DF304-25\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\"\u003e6\" I.D\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;\"\u003e7DF304-25\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\"\u003e7\" I.D\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;\"\u003e8DF304-25\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\"\u003e8\" I.D\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;\"\u003eMaterials\u003c\/td\u003e\n\u003ctd colspan=\"2\" style=\"width: 372px;\"\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003eConstruction\u003c\/td\u003e\n\u003ctd colspan=\"2\" style=\"width: 372px;\"\u003eSingle-Wall\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;\"\u003e0” clearance for gas, oil, and pellet applications.\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;\"\u003e1” clearance to masonry for wood-burning\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;\"\u003eListed to UL 1777 and ULC S635 (MH45609).\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\u003e\u003cstrong\u003eDownloads\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0100\/7917\/4734\/files\/DuraFlex_Catalog.pdf?v=1652650777\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDownload Product Catalog\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0100\/7917\/4734\/files\/DuraFlex_Installation_Manual.pdf?v=1652650795\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDownload Instruction Manual\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DuraVent","offers":[{"title":"15 \/ 3 X 25'","offer_id":53631907463459,"sku":"3DF304-25","price":659.0,"currency_code":"USD","in_stock":true},{"title":"15 \/ 4 X 25'","offer_id":55328408699171,"sku":"4DF304-25","price":766.0,"currency_code":"USD","in_stock":true},{"title":"15 \/ 5 X 25'","offer_id":55328408731939,"sku":"5DF304-25","price":906.0,"currency_code":"USD","in_stock":true},{"title":"15 \/ 5.5 X 25'","offer_id":55328408764707,"sku":"55DF304-25","price":961.0,"currency_code":"USD","in_stock":true},{"title":"15 \/ 6 X 25'","offer_id":55328408797475,"sku":"6DF304-25","price":1054.0,"currency_code":"USD","in_stock":true},{"title":"15 \/ 7 X 25'","offer_id":55328408830243,"sku":"7DF304-25","price":1235.0,"currency_code":"USD","in_stock":true},{"title":"15 \/ 8 X 25'","offer_id":55328408863011,"sku":"8DF304-25","price":1482.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/6926\/8771\/files\/DuraVent-25_-Flex-Pipe-Length-DuraFlex-304-Stainless-Steel-DuraVent-Dreamwood-Living-26067827.jpg?v=1780434917","url":"https:\/\/www.dreamwoodliving.com\/products\/duravent-25-flex-pipe-length-duraflex-304-stainless-steel","provider":"Dreamwood Living","version":"1.0","type":"link"}