Metal-Fab Type B-Vent 18" to 20" Increaser sqft1938 throwing unusual patterns all over

throwing unusual patterns all over your living space

What’s the difference between the Tungsten and Platinum collections

Durable & Long Lasting

Caledonia Granite Set

Metal-Fab Type B-Vent 18" to 20" Increaser sqft1938 throwing unusual patterns all overType 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