Metal-Fab Type B-Vent 4" Oval Storm Collar btu6900 Available in paint-grade primed MDF

Available in paint-grade primed MDF or unfinished maple

This warranty may not be extended or modified by our agents or representatives

a flex line and the ember damper clamp

2 Installation Collars

Metal-Fab Type B-Vent 4" Oval Storm Collar btu6900 Available in paint-grade primed MDFType 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