SELKIRK RV 4 In. x 8-1/2 In. x 4-3/4 In. Gas Vent Tee

Used to transition system from horizontal to vertical orientation. Provides easy access for inspection and maintenance. Size refers to the inside diameter of the pipe or fitting. The outside diameter of RV is approximately 1/2″ larger. Type B gas vent. Tee cap sold separately.