Selkirk 4" to 7" Reducer (Round - Type B Gas Vent) Size:7-Inch (7"x6") Diameter 11" to 18

Diameter 11" to 18

Many people asked if we could make a bigger storage rack

2″ clearance to combustibles

All-season Flames: Enjoy the unique charm of a fireplace 365 days a year using the flames without the heat

UL 441 Clearances 1" Minimum clearance to combustibles for 3" - 24" Diameter 4" Size W 9

Selkirk 4" to 7" Reducer (Round - Type B Gas Vent) Size:7-Inch (7"x6") Diameter 11" to 18Selkirk 4" to 7" Reducer Reducer One step only. (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 EFC Expandable Flex Connectors. The RV line of Selkirk round vent pipe and fittings