Our 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.

DuraVent® Adjustable Roof Flashing, 6 in Size, 18 in L x 15-1/4 in W Base, 6-1/2 in Inside Dia, 10 in Outside Dia

• Fits flat to 6/12 pitch roof
• Used where the vent passes through a roof