DuraVent Round Type B Gas Vent Model BV 16" x 12" Large Diameter Double Wall Rigid Pipe w31.13 This Height Kit consists of

This Height Kit consists of a rear wall and two side walls that will increase the height opening by 8" from the standard opening (giving a Rumford look)

Hassle Free Installation – Standardized Sizing: The SYMMETRY fireplaces have been made with standardized unit sizing

Massive glass for fire viewing

Size: 24"

DuraVent Round Type B Gas Vent Model BV 16" x 12" Large Diameter Double Wall Rigid Pipe w31.13 This Height Kit consists ofOur 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 Round Rigid Pipe Features Easy