{"product_id":"duravent-25-flex-pipe-duraflex-pro-stainless-steel-length","title":"DuraVent 25' Flex Pipe DuraFlex Pro Stainless Steel Length","description":"\u003ch3 style=\"text-align: center;\"\u003eDuraVent 25' Flex Pipe DuraFlex Pro Stainless Steel Length\u003c\/h3\u003e\n\u003cp data-end=\"762\" data-start=\"0\"\u003eThe \u003cstrong data-end=\"66\" data-start=\"4\"\u003eDuraVent 25' Flex Pipe DuraFlex Pro Stainless Steel Length\u003c\/strong\u003e is a premium flexible chimney liner designed for superior strength, flexibility, and dependable masonry chimney relining. Made with highly corrosion-resistant 316 stainless steel, DuraFlex Pro features 20% more stainless steel per foot compared to many traditional liners, providing exceptional durability and long-lasting performance. Its extreme flexibility allows for smooth, problem-free installations where multiple chimney offsets are present, making it an ideal solution for wood stoves, fireplace inserts, and solid-fuel appliances. Available in 3-inch through 12-inch diameters, this stainless steel chimney liner is listed to UL 1777 and ULC S635 standards.\u003c\/p\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"1301\" data-start=\"764\"\u003eEngineered for professional chimney restoration and venting upgrades, the DuraFlex Pro flexible liner helps maintain efficient flue gas flow, chimney draft, and appliance performance. Its durable construction protects against heat, moisture, and corrosive combustion byproducts while extending chimney system life. This 25-foot stainless steel chimney pipe liner provides a reliable, code-compliant solution for residential and commercial chimney relining applications, backed by trusted DuraVent quality and performance\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-end=\"207\" data-start=\"0\" data-section-id=\"8eletj\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"62\" data-start=\"2\"\u003eDuraVent DuraFlex Pro 25' Stainless Steel Chimney Liner:\u003c\/strong\u003e Premium 25-foot flexible chimney pipe liner designed for professional masonry chimney relining, fireplace inserts, and venting upgrades.\u003cspan class=\"PDq2pG_selectionAnchor\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"414\" data-start=\"208\" data-section-id=\"pfua9c\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"261\" data-start=\"210\"\u003eHigh-Strength 316 Stainless Steel Construction:\u003c\/strong\u003e Built with durable 316 stainless steel alloy for superior strength, flexibility, and long-lasting corrosion-resistant chimney liner performance.\u003c\/li\u003e\n\u003cli data-end=\"637\" data-start=\"415\" data-section-id=\"1s1pevt\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"473\" data-start=\"417\"\u003eEnhanced Corrosion Resistance for Coal Applications:\u003c\/strong\u003e The 316 alloy stainless steel design provides additional corrosion protection when burning coal or sulfur-containing oils, helping extend liner durability.\u003c\/li\u003e\n\u003cli data-end=\"845\" data-start=\"638\" data-section-id=\"4l1zse\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"692\" data-start=\"640\"\u003eIdeal for Multiple Offset Chimney Installations:\u003c\/strong\u003e DuraFlex Pro offers exceptional flexibility, making it the best choice for chimney systems with multiple offsets and challenging installation paths.\u003c\/li\u003e\n\u003cli data-end=\"999\" data-start=\"846\" data-section-id=\"16rkv34\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"888\" data-start=\"848\"\u003eCompatible with Multiple Fuel Types:\u003c\/strong\u003e Designed for use with solid fuel appliances, non-condensing gas appliances, and oil-fired heating systems.\u003c\/li\u003e\n\u003cli data-end=\"1175\" data-start=\"1000\" data-section-id=\"xp4dor\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"1044\" data-start=\"1002\"\u003eFlexible Design for Easy Installation:\u003c\/strong\u003e Allows smooth routing through existing chimneys while supporting efficient chimney liner replacement and restoration projects.\u003c\/li\u003e\n\u003cli data-end=\"1321\" data-start=\"1176\" data-section-id=\"1p62az8\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"1210\" data-start=\"1178\"\u003eImproves Venting Efficiency:\u003c\/strong\u003e Helps maintain proper flue gas flow, chimney draft, and heating appliance performance for safer operation.\u003c\/li\u003e\n\u003cli data-end=\"1496\" data-start=\"1322\" data-section-id=\"hovbzn\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"1367\" data-start=\"1324\"\u003eProfessional Chimney Relining Solution:\u003c\/strong\u003e Ideal for wood stove chimney liners, fireplace insert liners, stainless steel vent systems, and masonry chimney restoration.\u003c\/li\u003e\n\u003cli data-end=\"1651\" data-start=\"1497\" data-section-id=\"188esx8\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"1534\" data-start=\"1499\"\u003eUL Listed Chimney Liner System:\u003c\/strong\u003e Meets UL 1777 and ULC S635 standards for dependable, safe, and code-compliant chimney venting installations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%;\"\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;\"\u003e3DFPRO-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;\"\u003e4DFPRO-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;\"\u003e5DFPRO-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;\"\u003e55DFPRO-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;\"\u003e6DFPRO-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;\"\u003e7DFPRO-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;\"\u003e8DFPRO-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;\"\u003e316 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\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":"25 \/ 3 X 25","offer_id":53631907954979,"sku":"3DFPRO-25","price":755.0,"currency_code":"USD","in_stock":true},{"title":"25 \/ 4 X 25","offer_id":55332138451235,"sku":"4DFPRO-25","price":892.0,"currency_code":"USD","in_stock":true},{"title":"25 \/ 5 X 25","offer_id":55332138484003,"sku":"5DFPRO-25","price":1084.0,"currency_code":"USD","in_stock":true},{"title":"25 \/ 5.5 X 25","offer_id":55332138516771,"sku":"5.5DFPRO-25","price":1180.0,"currency_code":"USD","in_stock":true},{"title":"25 \/ 6 X 25","offer_id":55332138549539,"sku":"6DFPRO-25","price":1304.0,"currency_code":"USD","in_stock":true},{"title":"25 \/ 7 X 25","offer_id":55332138582307,"sku":"7DFPRO-25","price":1499.0,"currency_code":"USD","in_stock":true},{"title":"25 \/ 8 X 25","offer_id":55332138615075,"sku":"8DFPRO-25","price":1564.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/6926\/8771\/files\/DuraVent-25_-Flex-Pipe-DuraFlex-Pro-Stainless-Steel-Length-DuraVent-Dreamwood-Living-26052083.jpg?v=1780434828","url":"https:\/\/www.dreamwoodliving.com\/products\/duravent-25-flex-pipe-duraflex-pro-stainless-steel-length","provider":"Dreamwood Living","version":"1.0","type":"link"}