Selkirk 6" to 8" Insulated Tee Cap (UltimateONE) sqft80 Diameter 13" - 21

Diameter 13" - 21

30 degree offset and return

The stainless version has all the great features of the standard Onyx

24" Vent-Free Propane Burner

This beautiful fire glass will amplify the natural flow of fire

Selkirk 6" to 8" Insulated Tee Cap (UltimateONE) sqft80 Diameter 13" - 21Selkirk 6" to 8" Insulated Tee Cap Used to seal the base of an Insulated Tee. Easily removed for chimney maintenance or inspection. Insulated to maintain flue gas temperatures. Inner liner also available in 316 stainless steel 6" diameter. Ultimate One Chimney UltimateONEs inner liner and outer casing are constructed of all welded 304 stainless steel for superior strength and corrosion resistance. Engineered with a web coupler design utilizing 1" of