DuraVent 4PVP-25BF 4" Inner Diameter - PelletVent Pro Type L Chimney Pipe - Single Wall - 25' Flex Pipe Length Stainless Ste

DuraVent 4PVP-25BF 4" Inner Diameter - PelletVent Pro Type L Chimney Pipe - Single Wall - 25' Flex Pipe Length PelletVent Pro Collection 4 Inch x 25ft. Flex Length for BioFuel AppliancesWarranty Notice: M&G DuraVent warranty applies to this professional grade product only when installed by a trained professional installer. This 4 Inch x 25ft. Flex Length for BioFuel Appliances from the PelletVent Pro series is a Type L Biofuel Chimney Pipe component and consists of the duralock system for a tight seal. Use when relining masonry chimney for use with biofuel appliances. Made of super-ferritic stainless steel. Must be used with PelletVent Pro Male and Female Flex Adapters. Rigid pipe must be used when terminating system.Features:Fuel Type: BioFuel, Oil, PelletInner Diameter: 4"Length: 300"Single Wall ConstructionUL ListedAll PelletVent Pro® components that come into contact with flue gases are built with an inner wall of corrosion resistant superferritic metal. PelletVent Pro is engineered with features for a durable, safe and aesthetically pleasing venting system. PelletVent Pro is a patent-pending venting system for stoves and inserts that use wood pellets, corn and other biofuels, or oil, as fuel. As a result of DuraVent’s cutting-edge manufacturing process and commitment to innovation, PelletVent Pro is uncompromised in attention to detail and performance. This perfect fit and finish is made possible with a laser-welded inner and outer wall. Select components are available in black. PelletVent Pro is now UL listed for 1” clearance to combustibles in the USA. It’s double-wall, air-insulated design offers superior performance. Seams are factory-sealed on all elbows, tees, and fittings. Since the introduction of pellet stoves in the 1980’s, DuraVent is recognized as the industry leader in venting systems for pellet stoves.Looking for Simpson Dura-Vent? You found it! Simpson Dura-Vent has changed their name to DuraVent. DuraVent is a recognized technological leader in the venting industry. Consistently the first to market with new innovations in venting systems, DuraVent has captured a leadership position in emerging markets. DuraVent has patents for several products and continues to design safe and technologically advanced venting. The company's research into solving problems with corrosion, when biofuels such as corn are used, led to the break-through patent for PelletVent Pro. Scientifically proven materials and unequalled engineering make DuraVent products not only the best choice, or safest choice, but the only choice for professional quality venting products. Flex Pipe Length Stainless Steel