Selkirk 3" to 7" Low Profile Double Wall Increaser (Round - Type B Gas Vent) w37.25 reducing the chimney system footprint

reducing the chimney system footprint and saves on cost and time

galvanized Inner Diameter 10" Outer Diameter 13" Height 20

Its European flair and solid construction make it a standout piece that is sure to become a conversation starter

60" Plate = 7-8 bags

Tahoe Clean-Face Deluxe models feature our Contour tube-style burner

Selkirk 3" to 7" Low Profile Double Wall Increaser (Round - Type B Gas Vent) w37.25 reducing the chimney system footprintSelkirk 3" to 7" Low Profile Double Wall Increaser Used to increase pipe diamete. Used for tight installations to optimize space. (RV) Round Type B Gas Vent Model RV Double Wall Gas Vent is the installer's choice for residential, industrial and light commercial applications. The aluminum liner heats up quickly to promote strong draft. Galvanized outer provides protection against outdoor elements. Product line includes DWC Double Wall Connectors and