DuraVent Round Type B Gas Vent Model BV 3" - 4" Attic Insulation Shield venting 75" W x 17

75" W x 17

L38 & L50 PVAL3 GX70-1

Williams Furnace 12" Vent Enclosure for Forsaire Top-Vent

The temperature inside the flue can become extreme and cause the wire to melt

For use with 111KT Outside Air Kit

DuraVent Round Type B Gas Vent Model BV 3" - 4" Attic Insulation Shield venting 75" W x 17Our 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) Attic Insulation Shield Features Required for