DuraVent Round Type B Gas Vent Model BV 12" Large Diameter Storm Collar d21.875 A simple and ingenious system

A simple and ingenious system operates on a hinge point to allow opening and closing the shutter on a single pivot point which operates easily from inside your fireplace

Model 12DT-36 Series DuraTech LDC (10"-24") Product Type Chimney Cap Inner Finish 430 Stainless Steel (

With today’s focus on tighter

52 kW) Average overall efficiency (dry cordwood)  65

DuraVent Round Type B Gas Vent Model BV 12" Large Diameter Storm Collar d21.875 A simple and ingenious systemOur 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 Storm Collar Features Used