Selkirk 4 RV Type B Gas Hi-Wind Top

The RV line of Selkirk round 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. Outer material is 28 Ga galvanized steel. Inner liner is aluminum. Our non-positional lock system on the Selkirk RV Gas Vent is the best lock system on the market today. The incorporation of the LockTab feature simply improves our lock system by adding flexibility and meeting market need.