DuraVent Round Type B Gas Vent Model BV 20" Flat to 6/12 Pitch Large Diameter Adjustable Roof Flashing star-fire which makes them safe to

which makes them safe to heat enclosed spaces

Patio heaters allow you to extend the life of your outdoor space to 9 or even 12 months

For use with B30 Ascent series fireplace

DSI - CFP30DSI or BI28DSI

DuraVent Round Type B Gas Vent Model BV 20" Flat to 6/12 Pitch Large Diameter Adjustable Roof Flashing star-fire which makes them safe toOur 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