DuraVent Round Type B Gas Vent Model BV 8" x 14" Large Diameter Increaser btu20433 COVERS: 8"W x 23-1/4”H -

COVERS: 8"W x 23-1/4”H - 38"W x 27"H

Fits Opening 30 - 33"W x 23 - 24 1/2"H

Selkirk 4" Adjustable Square Horizontal Cap (Direct-Temp Gas)

5" Product Width (in) 72" Product Depth (in) 5"

DuraVent Round Type B Gas Vent Model BV 8" x 14" Large Diameter Increaser btu20433 COVERS: 8"W x 23-1/4”H -Our 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 Increaser Features The