Size: 6". Product Dimensions: 27 3/16" W x 8" H x 20" D. 2" clearance to combustibles. DSA roof flashing for pipes with 6" diameter: A vent pipe with a 6" inner diameter is required for this unit. There's no need for locking bands or mechanical fasteners. For an extra margin of safety, the inner wall is 25% thicker than competing chimneys. Designed for normal continuous operation at flue gas temperatures of 1000 degrees Fahrenheit. For use with wood stoves, fireplaces, furnaces, boilers, ranges, water heaters, and other wood, coal, or gas-fueled appliances. Have you been concerned about your home's piping system? Do you want to be extra certain that rain leaks and other issues are never an issue? DuraVent's DuraTech line's DSA Roof Flashing will weatherproof your home's piping for years to come. DuraTech provides the best in safety and performance with a thermal tech blanket insulation wrapped between dual walls. What more could you want? Make a move right now!

Size: 6 Inch Product Dimensions: 27 3/16" W x 8" H x 20" D 2" clearance to combustibles DSA roof flashing for pipes with 6" diameter No locking bands or mechanical fasteners required Inner wall is 25% thicker than competitive chimneys for an extra margin of safety Designed for normal continuous operation at 1000 degree Fahrenheit flue gas temperatures For use with wood stoves fireplaces furnaces boilers ranges water heaters or other appliances fueled by wood oil coal or gas