DuraVent Oval Type B Gas Vent Model BV 4" Ceiling Plate Spacer d3.5 Timer function operates in 15-minute

Timer function operates in 15-minute intervals up to 3 hours

4 round panels of equal length

and Glowing Embers

1 or 2 Sides Open

23LBS / 21

DuraVent Oval Type B Gas Vent Model BV 4" Ceiling Plate Spacer d3.5 Timer function operates in 15-minuteOur 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) Oval Ceiling Plate Spacer Features Type BW