Selkirk 5 in. Dia. Aluminum/Galvanized Steel Adjustable Roof Flashing
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The RV line of metal best round type B gas vent pipe and fittings is designed for use on approved gas appliances in residential and light commercial and industrial applications. size refers to the inside diameter of the pipe or fitting. The outside diameter of RV is approximately 1/2 inch larger. Outer material is 28 GA galvanized steel. Inner liner is aluminum.
Used where the vent passes through a roof
RV line of metal best round type B gas vent pipe and fittings
Outer material is 28 GA galvanized steel and inner liner is aluminum