Metal-Fab Type B-Vent 4" Oval Tee Cap converts-from-single-flue-to-direct-vent (B) - Outside Width -

(B) - Outside Width - 58 1/2"

16 pc black fiber ceramic river stone set ranges between 2" - 3" in length

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04 kW) Average overall efficiency (dry cordwood)  72 % (HHV)  77 % (LHV)  Optimum overall efficiency  79 % Optimum heat transfer efficiency  76 % Average particulate emissions rate  2

and grounding wire

Metal-Fab Type B-Vent 4" Oval Tee Cap converts-from-single-flue-to-direct-vent (B) - Outside Width -Type 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