DuraVent Round Type B Gas Vent Model BV 3" x 4" Low Profile Double Wall Increaser w39.8 Adds a stacked brick appearance

Adds a stacked brick appearance to your fireplace

10" and 12" are listed by Underwriters Laboratories Inc

6 g/h Average CO 73 g/h General Features Model HES350 Ignition Type Manual Alcove installation approved Yes Mobile home approved Yes

75" Framing Height 16-1/2" Framing Depth 6-1/2" BTU 5

DuraVent Round Type B Gas Vent Model BV 3" x 4" Low Profile Double Wall Increaser w39.8 Adds a stacked brick appearanceOur 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) Low Profile Double Wall Increaser Features