DuraVent Round Type B Gas Vent Model BV 30" 45-Degree Elbow d7.88 thereby closing the gas line

thereby closing the gas line to your unit in case of emergencies

Only four legs need to be installed

An insulation shield must be used anytime the chimney system passes through an attic

Model 6DLR-S

DuraVent Round Type B Gas Vent Model BV 30" 45-Degree Elbow d7.88 thereby closing the gas lineOur 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) 45 Elbow Features Elbows are used to offset