{"product_id":"duravent-fasnseal-flex-9-x-115-stainless-steel-custom-flex-length","title":"DuraVent FasNSeal Flex 9\" x 115' Stainless Steel Custom Flex Length","description":"\u003cdiv data-widget_type=\"text-editor.default\" data-element_type=\"widget\" data-id=\"7dfe1129\" class=\"elementor-element elementor-element-7dfe1129 elementor-widget elementor-widget-text-editor\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003cdiv class=\"elementor-text-editor elementor-clearfix\"\u003e\n\u003cp\u003eMade from super-ferritic stainless steel. Corrosion resistant. Manufactured with a sure-seal locking seam for superior strength and flexibility. The smooth inner-wall provides for no output reduction, allowing for full appliance efficiency, ease of cleaning and regular maintenance. The smooth inner wall optimizes gas flow, minimizes back pressure, and facilitates condensate management. Only flexible chimney liner listed to UL 1738 standard. \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch1\u003eWhat's Included\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eFlex Length (Custom)\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eFeatures\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eAvailable in 2\" - 12\" diameter\u003c\/li\u003e\n\u003cli\u003eAvailable in 20' - 200' length\u003c\/li\u003e\n\u003cli\u003eCan only be used in vertical or near vertical runs.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eUse with FasNSeal components only.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eListed to UL 1738.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eUse to vent Category II, III, and IV gas burning appliances.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eSpecifications\u003c\/h1\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eDuraVent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eFasNSeal Flex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e9FSFLEX-115\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eFlex Length (Custom)\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eSingle Strip Double Layer Super-Ferritic Stainless Steel (Totalling .010″)\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize (Diameter)\u003c\/td\u003e\n\u003ctd\u003e9\"\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e115'\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch1\u003eWarranty\u003c\/h1\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 46.5779%;\" data-mce-style=\"width: 46.5779%;\"\u003e\n\u003cdiv style=\"text-align: start;\" data-mce-style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0100\/7917\/4734\/files\/Lifetime_Warranty_Badge_240x240.jpg?v=1682130235\" alt=\"\" style=\"float: none;\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0100\/7917\/4734\/files\/Lifetime_Warranty_Badge_240x240.jpg?v=1682130235\" data-mce-style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 50.3802%;\" data-mce-style=\"width: 50.3802%;\"\u003eDuraVent, Inc. (“DuraVent”) provides this limited lifetime warranty for all of its products with the exception of Ventinox® (lifetime), and PolyPro® (ten years). Subject to the limitations set forth below, DuraVent warrants that its products will be free from defects in material or manufacturing, if properly installed, maintained, and used.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cdetails\u003e \u003csummary\u003eClick to See \u003cstrong\u003eWarranty Coverage and Limitations\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eDuraVent, Inc. (“DuraVent”) provides this limited lifetime warranty for all of its products with the exception of Ventinox® (lifetime), and PolyPro® (ten years). Subject to the limitations set forth below, DuraVent warrants that its products will be free from defects in material or manufacturing, if properly installed, maintained and used. DuraVent products are fully warranted if installed only by a professional installer. This Warranty is transferable from the original homeowner to the buyer of the home. This warranty does not cover normal wear and tear, smoke damage or damage caused by chimney fires, acts of God, or any product that was: (1) purchased other than from an authorized DuraVent dealer, retailer or distributor; (2) modified or altered; (3) improperly serviced, inspected or cleaned; or (4) subject to negligence or any use not in accordance with the installation instructions included with the product as determined by DuraVent.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eDuraVent provides the following warranties for its products: One Hundred Percent (100%) MSRP 15 years from the date of purchase, and Fifty Percent (50%) thereafter, except for the following limitations on: all Termination Caps and DuraBlack® are warranted at One Hundred Percent (100%) for five years. All warranty obligations of DuraVent shall be limited to repair or replacement of the defective product pursuant to the terms and conditions applicable to each product line. These remedies shall constitute DuraVent’s sole obligation and sole remedy under this warranty. This warranty provides no cash surrender value. The terms and conditions of this warranty may not be modified, altered or waived by any action, inaction or representation, whether oral or in writing, except upon the express, written authority of an executive officer of DuraVent.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eCorn, bio-fuels, driftwood or other wood containing salt, preservative-treated lumber, plastic and household trash or garbage, or wood pellets containing such materials must not be burned in the appliance or fireplace. In case of a chimney fire, the chimney must be inspected and approved by a certified Chimney Sweep before reuse. After each annual inspection, maintenance, and cleaning, the certified Chimney Sweep must fill out and date the appropriate section of the warranty card provided with the chimney liner.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eLIMITATIONS ON INTERNET SALES: Notwithstanding any other terms or conditions of this Limited Lifetime Warranty, DuraVent provides no warranty for the following specific products if such products are not installed by a qualified professional installer: DuraTech®, DuraTech® DTC, DuraTech® Premium, DuraPlus HTC®, DDW®, DuraChimney® II, PelletVent Pro®, DirectVent Pro®, FasNSeal®, FasNSeal® W2, FasNSeal® Flex, and PolyPro®, and DuraVent’s relining products including DuraLiner®, DuraFlex® (SW, Pro, 316, 304), and Ventinox®. For purposes of this warranty, a trained professional installer is defined as one of the following: licensed contractors with prior chimney installation experience, CSIA Certified Chimney Sweeps, NFI Certified Specialists, or WETT Certified Professionals.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eDuraVent must be notified and given the opportunity to inspect defective product prior to replacement under the terms of this limited lifetime warranty. All warranty claims must be submitted with proof of purchase. Labor and installation costs are not covered under this warranty. To obtain warranty service contact: DuraVent Warranty Service, 877 Cotting Ct., Vacaville CA 95688, or call 800-835-4429.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWHERE LAWFUL, DURAVENT DISCLAIMS ALL OTHER WARRANTIES, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT WILL DURAVENT BE LIABLE FOR INCIDENTAL, CONSEQUENTIAL, PUNITIVE OR SPECIAL DAMAGES OR DIRECT OR INDIRECT LOSS OF ANY KIND, INCLUDING BUT NOT LIMITED TO PROPERTY DAMAGE AND PERSONAL INJURY. DURAVENT’S ENTIRE LIABILITY IS LIMITED TO THE PURCHASE PRICE OF THIS PRODUCT. SOME STATES DO NOT ALLOW LIMITATIONS ON IMPLIED WARRANTIES, OR THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITATIONS AND EXCLUSIONS MAY NOT APPLY TO YOU. THIS LIMITED WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS, AND YOU MAY ALSO HAVE OTHER RIGHTS THAT VARY FROM STATE TO STATE.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0813\/8725\/8148\/files\/L209_810007492_DV-Limited-Lifetime-Warranty_06-2021.pdf?v=1695119839\" data-mce-href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0813\/8725\/8148\/files\/L209_810007492_DV-Limited-Lifetime-Warranty_06-2021.pdf?v=1695119839\" target=\"_blank\"\u003eDownload DuraVent Limited Lifetime Warranty here.\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/details\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch1\u003eDocuments \u0026amp; Files\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0813\/8725\/8148\/files\/DV_FNS_CT-001_02-23_web.pdf?v=1698292457\" target=\"_blank\"\u003eFasNSeal Catalog\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0813\/8725\/8148\/files\/L355_Brochure_FasNSeal_04-12-21_V4.pdf?v=1698292614\" target=\"_blank\"\u003eFasNSeal Product Brochure \u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0813\/8725\/8148\/files\/820005313-4-12-21v.03-1.pdf?v=1698293497\" target=\"_blank\"\u003eFasNSeal Installation Instructions\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0813\/8725\/8148\/files\/D-183_FasNSeal_Flex_Spec_04-12-21.pdf?v=1700446356\" target=\"_blank\" data-mce-href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0813\/8725\/8148\/files\/D-183_FasNSeal_Flex_Spec_04-12-21.pdf?v=1700446356\"\u003eFasNSeal Flex Specifications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0813\/8725\/8148\/files\/D-181_FasNSeal_FNS-Single-Wall_Spec_04-12-21.pdf?v=1698293587\" target=\"_blank\"\u003eFasNSeal Single Wall Specification\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0813\/8725\/8148\/files\/D-182_FasNSeal_W2-Double-Wall_Spec_04-12-21.pdf?v=1698293602\" target=\"_blank\"\u003eFasNSeal W2 Double Wall Specification\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eVideos\u003c\/h1\u003e\n\u003cp\u003e\u003ciframe width=\"100%\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/E7ZNoWh3RX0\" allow=\"fullscreen;\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch1\u003eFrequently Asked Questions\u003c\/h1\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eWhat are FasNSeal Flex's Specifications?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/p\u003e\nFasNSeal® Flex is for use with natural gas or propane Categories II, III and IV appliances or Canada’s Type BH Gas Vent Systems, having a maximum rated operating temperature of 480°F and a maximum positive pressure of 15” water column. FasNSeal® can be used on a wide range of applications, including: high efficiency gas boilers, furnaces, booster heaters, pool heaters, water heaters, unit heaters, or tankless water heaters.\u003cbr\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaterials and Construction\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\nSingle strip double layer super-ferriticstainless steel (totalling .010″).\u003cbr\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiameters\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFasNSeal® Flex 3″-12″\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eListings\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUL Listed to UL 1738 and UL 1777 and ULC S636.\u003c\/p\u003e\n\u003c\/details\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 16.3333px;\"\u003e\n\u003ctd style=\"height: 16.3333px;\"\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eWhat is FasNSeal Flex's Typical Installation?\u003cbr\u003e\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eRefer to our Typical Venting Installation drawings to select the appropriate component parts for your installation.\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/duravent.com\/wp-content\/uploads\/2020\/07\/FasNSeal_web-1.jpg\" data-mce-style=\"display: block; margin-left: auto; margin-right: auto;\" data-mce-src=\"https:\/\/duravent.com\/wp-content\/uploads\/2020\/07\/FasNSeal_web-1.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMore Typical Installations:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/duravent.com\/wp-content\/uploads\/2020\/07\/FasNSeal_installation.jpg\" data-mce-style=\"display: block; margin-left: auto; margin-right: auto;\" data-mce-src=\"https:\/\/duravent.com\/wp-content\/uploads\/2020\/07\/FasNSeal_installation.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e1    Rain Cap\u003cbr\u003e2    Storm Collar\u003cbr\u003e3    Variable Pitch Roof Flashing\u003cbr\u003e4    Vent Length\u003cbr\u003e5    Adjustable Vent Length\u003cbr\u003e6    Firestop\/Flat Flashing\u003cbr\u003e7    Horizontal Drip Tee\u003cbr\u003e8    Elbow\u003cbr\u003e9    Universal Condensate Drain\u003cbr\u003e10    Appliance Adapter\u003cbr\u003e11    Top Plate*\u003cbr\u003e12    Male Flex Adaptere\u003cbr\u003e13    FasNSeal Flex\u003cbr\u003e14    Female Flex Adapter\u003cbr\u003e15    Standard Tee\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCommercial Applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCommercial projects may require custom parts and unique system designs. DuraVent offers complete project assistance: \u003cimg src=\"https:\/\/duravent.com\/wp-content\/uploads\/2020\/07\/FasNSeal_applications.jpg\" alt=\"\" style=\"float: start;\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEngineering Services: Personalized system design services offer comprehensive CAD submittal drawing and complete bills of materials.\u003c\/li\u003e\n\u003cli\u003eCustom Parts: If your project requires innovative solutions, contact DuraVent for custom parts that meet your specific project needs.\u003c\/li\u003e\n\u003cli\u003eFasNSeal W2: FasNSeal W2 is the ideal choice for commercial applications where there is a need for low clearances to combustibles.\u003c\/li\u003e\n\u003cli\u003eUp to 16” Vent Diameters: Many commercial applications require large diameter systems due to the units size and output. Large diameters are available in single and double wall, featuring FasNSeal’s triple lipped directional gaskets and built-in locking band which provides a safe and convenient installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/details\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\" data-mce-fragment=\"1\"\u003e\n\u003ctbody data-mce-fragment=\"1\"\u003e\n\u003ctr style=\"height: 16.3333px;\" data-mce-fragment=\"1\" data-mce-style=\"height: 16.3333px;\"\u003e\n\u003ctd style=\"height: 16.3333px;\" data-mce-fragment=\"1\" data-mce-style=\"height: 16.3333px;\"\u003e\u003cdetails data-mce-fragment=\"1\"\u003e \u003csummary data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eWhat are the DuraVent product lines?\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eDuraVent offers the following product lines:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eDuraTech 5″-8″: All-fuel, double-wall chimney system. UL 103 HT and ULC S604.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eDuraTech 10″-24″: All-fuel, double-wall chimney system. UL 103.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eDuraTech Canada is a double-wall, all-fuel chimney system for use with wood stoves, wood fireplaces, and other appliances using wood, oil, gas, or coal.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eDuraPlus: Triple-wall all-fuel chimney with two layers of insulation.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eDuraPlus HTC: Double-wall all-fuel chimney built to Canadian standards.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eDuraChimney II: Double-wall air-cooled chimney for pre-fabricated masonry chimneys.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eCombustion Air Systems: DuraVent’s exclusive, patent-pending system is designed to bring in outside combustion air directly to your wood or pellet stoves.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eDuraBlack: Single-wall stovepipe.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eDVL: Double-wall stovepipe.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eDuraLiner: Double-wall factory insulated masonry relining system.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eDuraFlex: Flexible stainless steel liners.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eDuraFlex Aluminum: Flexible aluminum relining for masonry chimney. UL 1777 and ULC S635.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eVentinox: Flexible stainless steel liner.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eCVS: Provides Ortal Branded Fireplace Systems and as a Direct Vent for Pellet Stoves.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003ePelletVent: Multi-fuel vent.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003ePelletVent Pro: Vents appliances using oil, wood pellets, corn, and other biofuels.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eDirectVent Pro: Unitized, co-axial venting system for direct vent gas or propane stoves, heaters, and fireplaces.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eType B Gas Vent: Vents natural gas, liquid propane category I, and draft-hood equipped appliances\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eFasNSeal: Single, double-wall, flex, and concentric venting for category II, III, and IV appliances.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eFasNSeal 80\/90: Combined Category I and IV venting for Gas-Burning Appliances.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003ePolyPro: Single-wall, flex, and concentric venting made of polypropylene for category II and IV condensing appliances that operate up to 248 degrees.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003ePolyPro Flex: PolyPro double-wall flex lining system. Environmentally safe venting system for high-efficiency appliances, including water heaters, condensing boilers, and warm air furnaces. ULC S636.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eDuraSeal: Single-Wall and Double-Wall Special Gas Vent Boiler Adapters.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eDuraStack: A modular double-wall, positive pressure chimney for use with boiler breeching and stack, engine exhaust, and grease duct (DIS only)\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eDuraStack Pro: Models DIS and DAS. Modular Double-Wall Positive Pressure Chimney for Boiler Breeching, Stack, and Engine Exhaust.\u003c\/p\u003e\n\u003c\/details\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"DuraVent","offers":[{"title":"Default Title","offer_id":45230664482986,"sku":"9FSFLEX-115","price":15055.8,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0100\/7917\/4734\/files\/DuraVent-FasNSeal-Flex-9-x-115-Stainless-Steel-Custom-Flex-Length.jpg?v=1746069887","url":"https:\/\/usfireplacestore.com\/products\/duravent-fasnseal-flex-9-x-115-stainless-steel-custom-flex-length","provider":"US Fireplace Store","version":"1.0","type":"link"}