About the DuraVent 99301 DuraTech Chimney Pipe - 14"/16" Diameter, 12" Length, Galvalume
The DuraVent 99301 DuraTech chimney pipe is designed for appliances that are tested and listed for use with a 1700-degree rated chimney system, such as zero-clearance masonry fireplaces, furnaces, boilers, water heaters, ranges, etc. This is tested to UL 103 and listed under MH 7399. This particular chimney pipe is made of galvalume and measures 14" A and 16" B in diameter x 12" length. Installation requires fastening screws.