DuraVent Round Type B Gas Vent Model BV 3" x 4" Increaser h38.75 30" & 36" Cover

30" & 36" Cover

Click to see Optional Whistle Free Hose Whistle Free Hose (OPT-245)

It is used with gas or oil-fixed appliances

The HeatFlo™ system is designed to redirect the convective heat of the fireplace from the front of the unit

Grand Canyon's 2 Burner system features a 304 stainless steel chassis for ultimate durability and performance while allowing for gas to flow in from either side of the burner

DuraVent Round Type B Gas Vent Model BV 3" x 4" Increaser h38.75 30" & 36" CoverOur 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) Increaser Features Use to increase vent