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Selkirk
Model RV is a round Type B Gas Vent that features our patented Lock-Tab locking system which provides 360 degree flexibility while maintaining security.
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.
EFC 3"-4" Diameters:
LASCO 4″ x 8′ LamaFlex Duct Roof Kit – Item #402L (Replacement # 402UL)
NorWesco 6-1/2 In. x 8-3/4 In. Automatic Vent Foam Plug (2 Count)
ADO Durovent Baffle 22" x 48" Polystyrene DuroVent Attic Rafter Vent
American Metal Wall Thimble
Maurice Franklin Louver Round Aluminum Louvers