DuraVent Round Type B Gas Vent Model BV 24" x 12" Large Diameter Double Wall Rigid Pipe w12.75 Model Number FLK4045BB Catalog Number

Model Number FLK4045BB Catalog Number F4324

2-1/2” depth

There are many sizes

Model 311-T/C EXT

Full appearance for larger fireplaces

DuraVent Round Type B Gas Vent Model BV 24" x 12" Large Diameter Double Wall Rigid Pipe w12.75 Model Number FLK4045BB Catalog NumberOur 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