DuraVent Round Type B Gas Vent Model BV 6" x 12" Large Diameter Increaser h46.5 They are designed to function

They are designed to function with no gaps

Napoleon Denali Premium Front

With a touch of the remote control

WARM AND BRIGHT CHERRY FINISH

DuraVent Round Type B Gas Vent Model BV 6" x 12" Large Diameter Increaser h46.5 They are designed to functionOur 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) Large Diameter Increaser Features The