Selkirk 5" x 8" Black Wall Thimble (Direct-Temp Gas) attic-offset Weighted average overall efficiency: 76%

Weighted average overall efficiency: 76%

14" x 48" Chimney Length Pipe

1 - Increaser Tee with Tee Cap (4")

Blue is a splendid color

Selkirk 5" x 8" Black Wall Thimble (Direct-Temp Gas) attic-offset Weighted average overall efficiency: 76%Selkirk 5" x 8" Black Wall Thimble Two piece wall thimble easily slides together for installation on varying wall thicknesses. Serves a dual purpose as both a heat shield and firestop. Direct Temp Gas The latest Direct Vent Gas Fireplace Venting technology listed for use with a wide variety of appliances. Direct Temp features a 304 Stainless Steel inner liner providing exceptional corrosion resistance for long term system integrity. Selkirk Direct