DuraVent Round Type B Gas Vent Model BV 16" x 12" Large Diameter Double Wall Rigid Pipe w31.13 250 square feet and controlled

250 square feet and controlled by a factory installed thermostat

Because each piece is hand-finished

Massive glass for fire viewing

Product Code Part No Size 823017 3UPP-AA 3-Inch (Unpainted) 824017 4UPP-AA 4-Inch (Unpainted) 823017B 3UPP-AAB 3-Inch (Matte Black) 824017B 4UPP-AAB 4-Inch (Matte Black)

DuraVent Round Type B Gas Vent Model BV 16" x 12" Large Diameter Double Wall Rigid Pipe w31.13 250 square feet and controlledOur 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 Round Rigid Pipe Features Easy