DuraVent 5DT-VC 5" Inner Diameter - DuraTech Class A Chimney Pipe - Double Wall - 6.5" Chimney CapCategory: Vacu Stack Chimney CapsDuraTech Collection 5" Class A Chimney Pipe Chimney CapWarranty Notice: M&G DuraVent warranty applies to this professional grade product only when installed by a trained professional installer.The DuraTech 5" Class A Chimney Pipe Chimney Cap is designed for appliances that are tested and listed for is used with a 2100° F HT chimney system, such as wood stoves, fireplaces, furnaces, boilers, ranges, water heaters, or other appliances fueled by wood, oil, coal, or gas. Available in stainless steel (SS) or in a galvalume (GA) outer casing and stainless steel inner wall with twist-lock connections.Features:Inner Diameter: 5"Outer Diameter: 7"Height: 6-1/2"Optional Spark Arrestor Screen (Sold Separately)Material: Stainless SteelWith a Thermal Tech blanket insulation encased between dual walls, DuraTech offers the optimum in safety and performance. It keeps the outer wall of the chimney cool, while ensuring high flue gas temperatures for optimum draft performance. 5”-8” DuraTech is a double-wall, all-fuel chimney system for use with wood stoves, fireplaces, furnaces, boilers, ranges, water heaters, or other appliances fueled by wood, oil, coal, or gas, and zero-clearance fireplaces that are factory-built.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.