Selkirk 4" to 7" Reducer (Round - Type B Gas Vent) Size:6-Inch (6"x5") Converts fuel intake from natural

Converts fuel intake from natural gas to propane

Adaptable Flame Shape: Includes spacers and slots for customizable flame width and pattern

Built-in Timer: Set for up to 8 hours

and 48" Models with Small Tank

14" Diameter Anchor Plate

Selkirk 4" to 7" Reducer (Round - Type B Gas Vent) Size:6-Inch (6"x5") Converts fuel intake from naturalSelkirk 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