DuraVent Round Type B Gas Vent Model BV 10" Firestop / Support Plate h21.563 Model 35CVS-12TA Series 3" x

Model 35CVS-12TA Series 3" x 5" Concentric Vent System

Since 1976

causing it to produce the correct amount of millivolts

The BI-DEEP-XT features an Extra Tall viewing area that is 18” in height

DuraVent Round Type B Gas Vent Model BV 10" Firestop / Support Plate h21.563 Model 35CVS-12TA Series 3" xOur 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 Firestop Support Plate Features The 2 piece