Size: 6". Product Dimensions: 19 3/4" W x 1" H x 19 3/4" D. 2" clearance to combustibles. Chase top flashing for pipes with 6" diameter: 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. A vent pipe with a 6" inner diameter is required for this unit. DuraVent's DuraTech family of products includes this Chase Top Flashing, which is guaranteed to make your piping network safer. This device will encapsulate the top of a chase, while still allowing air to circulate through. DuraTech provides the best in safety and performance with a thermal tech blanket insulation wrapped between dual walls. It cools the chimney's outside wall, while maintaining high flue gas temperatures for optimal draft performance.

Size: 6 Inch Product Dimensions: 19 3/4" W x 1" H x 19 3/4" D 2" clearance to combustibles Chase top 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