(1)-4″ X 18″ Galv W/Alum Liner Type B Round Gas Stove Furnace Vent Pipe 4RV-18
Type B Round Gas Vent Pipe. Couplers overlap 1-1/2″ when joined. Assembled length is 1-1/2″ less than listed lengths. Size 4″ x 18″.
Type B Round Gas Vent Pipe. Couplers overlap 1-1/2″ when joined. Assembled length is 1-1/2″ less than listed lengths. Size 4″ x 18″.