Duravent Spark Arrestor

Size: 5 Inch 2" clearance to combustibles Expandable mesh design allows fitment to vent pipe caps between 5 and 8 inches inner 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