Sierra Flame by Amantii 5 Piece Duravent Through the Roof Kit With 4" Inner Diameter for Gas Fireplaces h38.625 Offers a custom look for

Offers a custom look for your fireplace

or swell when exposed to water

FB-4H Half Ball 4" Diameter 3

The Zero clearance universal firebox is also available without Oak Logs in 36" size Model ZCBB and 42" size Model 42ZCBB

Sierra Flame by Amantii 5 Piece Duravent Through the Roof Kit With 4" Inner Diameter for Gas Fireplaces h38.625 Offers a custom look forSierra Flame by Amantii 5 Piece DuraVent Through The Roof Kit with 4 Inch Inner Diameter for Gas Fireplaces. What's Included Duravent Through the Roof Kit Features 5 piece kit Designed for use with Sierra Flame fireplaces This unit requires venting pipe with an inner diameter of 4 Inch Includes high wind cap, 36" hard pipe, storm collar, adaptor, and flashing Specifications Inner Diameter: 4 Outer Diameter: 6 Clearance to Combustibles: 3 Inches