DuraVent Round Type B Gas Vent Model BV 20" Flat to 6/12 Pitch Large Diameter Adjustable Roof Flashing sqft1970 it has an undeniable quiet

it has an undeniable quiet elegance to it

144" Rectangle Extended Bullnose

Natural Gas hose sold separately

Black glass top with Black powder coated metal base

24 and 30-inch Vent-Free Vista Burners – up to 40

DuraVent Round Type B Gas Vent Model BV 20" Flat to 6/12 Pitch Large Diameter Adjustable Roof Flashing sqft1970 it has an undeniable quietOur non positional lock system on the Duravent BV Gas Vent is the best lock system on the market today. The incorporation of the DuraTab feature simply improves our lock system by adding flexibility and meeting market needs. The BV line of Duravent round vent pipe and fittings is designed for use on approved gas appliances in residential and light commercial and industrial applications. What's Included (1) Adjustable Roof Flashing Features Fits flat