Metal-Fab Type B-Vent 4" to 4" Housing Adapter d29.83 200 Overall firebox volume-ft³ 2

200 Overall firebox volume-ft³  2

Click to see Optional Surround

All Models Rated – All models are rated for either indoor or outdoor use

After it is burned and the extra moisture is released they will turn more grey

91 cm) Framing Width 50

Metal-Fab Type B-Vent 4" to 4" Housing Adapter d29.83 200 Overall firebox volume-ft³ 2Type 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