Selkirk 3" to 8" Adjustable Roof Flashing (Round - Type B Gas Vent) Size:3-Inch 1/2” OD (3/8” ID) x

1/2” OD (3/8” ID) x 10”

They provide the most economical installation

Granite & Slate with This Product

fuel type and other variables

Selkirk 3" to 8" Adjustable Roof Flashing (Round - Type B Gas Vent) Size:3-Inch 1/2” OD (3/8” ID) xSelkirk 3" to 8" Adjustable Roof Flashing Used where the vent passes through a roof. (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