{"product_id":"duravent-35-flex-pipe-length-duraflex-316-stainless-steel","title":"DuraVent 35' Flex Pipe Length DuraFlex 316 Stainless Steel","description":"\u003ch3 style=\"text-align: center;\"\u003eDuraVent 35' Flex Pipe Length DuraFlex 316 Stainless Steel\u003c\/h3\u003e\n\u003cp data-start=\"0\" data-end=\"761\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong data-start=\"4\" data-end=\"66\"\u003eDuraVent 35' DuraFlex 316 Stainless Steel Flex Pipe Length\u003c\/strong\u003e is a premium flexible chimney liner designed for dependable masonry chimney relining and venting applications. Constructed from highly corrosion-resistant 316 stainless steel, this 35-foot chimney liner provides exceptional durability for wood stoves, fireplace inserts, solid-fuel appliances, non-condensing gas systems, oil-fired appliances, and coal-burning applications. Its flexible design allows smooth installation through chimney pathways with offsets while maintaining efficient flue gas flow, proper chimney draft, and appliance performance. The DuraFlex 316 stainless steel liner is UL 1777 and ULC S635 listed for safe and reliable chimney installations.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"763\" data-end=\"1281\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eBuilt for long-lasting performance, the DuraVent DuraFlex 316 chimney liner helps protect masonry chimneys from heat, moisture, and corrosive combustion byproducts. Ideal for chimney restoration, fireplace insert upgrades, and chimney liner replacement projects, this 35-foot flexible stainless steel vent liner delivers improved safety, efficiency, and airflow. Backed by DuraVent’s trusted chimney technology, it offers a professional solution for residential and commercial heating system venting needs.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cdiv data-is-intersecting=\"true\" data-turn-id-container=\"request-6a43b619-0ba0-83e9-8ec8-3118c3ecac8e-26\" class=\"\"\u003e\n\u003csection data-turn=\"assistant\" data-testid=\"conversation-turn-1880\" data-turn-id-container=\"request-6a43b619-0ba0-83e9-8ec8-3118c3ecac8e-26\" data-turn-id=\"request-6a43b619-0ba0-83e9-8ec8-3118c3ecac8e-26\" 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-10 [--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 data-turn-start-message=\"true\" 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-message-id=\"8e128372-15b0-40a7-a2df-74cb6db37178\" 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=\"2029\" data-start=\"0\"\u003e\n\u003cli data-end=\"222\" data-start=\"0\" data-section-id=\"2lahlq\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"58\" data-start=\"2\"\u003eDuraVent 35' DuraFlex 316 Stainless Steel Flex Pipe:\u003c\/strong\u003e Premium 35-foot flexible chimney liner designed for reliable chimney relining, fireplace insert installation, and heating appliance venting applications.\u003c\/li\u003e\n\u003cli data-end=\"421\" data-start=\"223\" data-section-id=\"1y4eswl\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"279\" data-start=\"225\"\u003eHigh-Performance 316 Stainless Steel Construction:\u003c\/strong\u003e Manufactured with durable 316 stainless steel alloy for superior strength, extended service life, and enhanced resistance to corrosion.\u003c\/li\u003e\n\u003cli data-end=\"611\" data-start=\"422\" data-section-id=\"4mad6g\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"469\" data-start=\"424\"\u003eCompatible with Multiple Appliance Types:\u003c\/strong\u003e Designed for use with solid fuel, non-condensing gas, and oil appliances, including wood stoves, fireplaces, furnaces, and boilers.\u003c\/li\u003e\n\u003cli data-end=\"839\" data-start=\"612\" data-section-id=\"80uomq\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"670\" data-start=\"614\"\u003eEnhanced Corrosion Resistance for Coal Applications:\u003c\/strong\u003e The 316 stainless steel chimney liner provides additional corrosion protection when burning coal or sulfur-rich oils, helping withstand harsh flue conditions.\u003c\/li\u003e\n\u003cli data-end=\"1031\" data-start=\"840\" data-section-id=\"cy653\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"882\" data-start=\"842\"\u003eFlexible Chimney Liner Installation:\u003c\/strong\u003e Offers excellent flexibility for navigating chimney pathways while supporting easier installation and dependable flue gas venting performance.\u003c\/li\u003e\n\u003cli data-end=\"1226\" data-start=\"1032\" data-section-id=\"1gmp68m\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"1075\" data-start=\"1034\"\u003eImproves Chimney Safety \u0026amp; Efficiency:\u003c\/strong\u003e Helps protect masonry chimneys from heat, moisture, and corrosive exhaust gases while maintaining proper chimney draft and appliance efficiency.\u003c\/li\u003e\n\u003cli data-end=\"1399\" data-start=\"1227\" data-section-id=\"mcwdmn\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"1268\" data-start=\"1229\"\u003eIdeal for Masonry Chimney Relining:\u003c\/strong\u003e Perfect for fireplace inserts, wood-burning appliances, chimney restoration, and stainless steel liner replacement projects.\u003c\/li\u003e\n\u003cli data-end=\"1590\" data-start=\"1400\" data-section-id=\"16sxkwa\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"1448\" data-start=\"1402\"\u003eProfessional DuraFlex 316 Series Solution:\u003c\/strong\u003e Part of the trusted DuraVent DuraFlex chimney liner system, engineered for long-lasting residential and commercial venting performance.\u003c\/li\u003e\n\u003cli data-end=\"1751\" data-start=\"1591\" data-section-id=\"1jyfysw\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"1637\" data-start=\"1593\"\u003eUL Listed Stainless Steel Chimney Liner:\u003c\/strong\u003e Designed to meet UL 1777 and ULC S635 standards for safe and code-compliant chimney relining installations.\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\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;\"\u003e3DF316-35\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\"\u003e3\" I.D\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;\"\u003e4DF316-35\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\"\u003e4\" I.D\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;\"\u003e5DF316-35\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\"\u003e5\" I.D\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;\"\u003e55DF316-35\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\"\u003e5.5\" I.D\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;\"\u003e6DF316-35\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\"\u003e6\" I.D\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;\"\u003e7DF316-35\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\"\u003e7\" I.D\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;\"\u003e8DF316-35\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\"\u003e8\" I.D\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;\"\u003eMaterials\u003c\/td\u003e\n\u003ctd style=\"width: 372px;\" colspan=\"2\"\u003e316 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003eConstruction\u003c\/td\u003e\n\u003ctd style=\"width: 372px;\" colspan=\"2\"\u003eSingle-Wall\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003eClearance\u003c\/td\u003e\n\u003ctd style=\"width: 372px;\" colspan=\"2\"\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 style=\"width: 372px;\" colspan=\"2\"\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 style=\"width: 372px;\" colspan=\"2\"\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 style=\"width: 372px;\" colspan=\"2\"\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_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":"35 \/ 3 X 35'","offer_id":53631910019363,"sku":"3DF316-35","price":1016.0,"currency_code":"USD","in_stock":true},{"title":"35 \/ 4 X 35'","offer_id":55329994768675,"sku":"4DF316-35","price":1180.0,"currency_code":"USD","in_stock":true},{"title":"35 \/ 5 X 35'","offer_id":55329994801443,"sku":"5DF316-35","price":1496.0,"currency_code":"USD","in_stock":true},{"title":"35 \/ 5.5 X 35'","offer_id":55329994834211,"sku":"5.5DF316-35","price":1627.0,"currency_code":"USD","in_stock":true},{"title":"35 \/ 6 X 35'","offer_id":55329994866979,"sku":"6DF316-35","price":1773.0,"currency_code":"USD","in_stock":true},{"title":"35 \/ 7 X 35'","offer_id":55329994899747,"sku":"7DF316-35","price":2031.0,"currency_code":"USD","in_stock":true},{"title":"35 \/ 8 X 35'","offer_id":55329994932515,"sku":"8DF316-35","price":2154.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/6926\/8771\/files\/DuraVent-35_-Flex-Pipe-Length-DuraFlex-316-Stainless-Steel-DuraVent-Dreamwood-Living-26055064.jpg?v=1780434839","url":"https:\/\/www.dreamwoodliving.com\/products\/duravent-35-flex-pipe-length-duraflex-316-stainless-steel","provider":"Dreamwood Living","version":"1.0","type":"link"}