Metal-Fab Type B-Vent 28" x 18" Chimney Length Pipe 53in PolyPro is a polypropylene vent

PolyPro is a polypropylene vent pipe with ANSI Category II and IV gas-burning appliances

is easy to covert or set up your shutter exhaust fan to a smart fan

making them better equipped to withstand  the rigors of shipping and handling

2 Installation Options: Built-in or mounted cross corner

Metal-Fab Type B-Vent 28" x 18" Chimney Length Pipe 53in PolyPro is a polypropylene ventType B Gas Vent products are tested and listed to UL 441 for approved gas appliances and feature our innovative twist lock connection and locking tab, eliminating the need for sheet metal screws. Metal Fab Type B Gas Vent combines hemmed flues and casings that maximize product durability and reliability and minimize installation time. Designed for versatility, Metal Fab Type B Gas Vent products 3" 6" adapt to major competing brands and when installed