Selkirk 4 in. D X 24 in. L Aluminum/Galvanized Steel Round Gas Vent Pipe
ROUND GAS VENT PIPE FUNCTIONALITY: This Selkirk vent pipe is designed for safe and efficient gas venting. It is made for use with gas appliances. The Type B venting system is suitable for various installations.
Selkirk 104024 4″ x 2′ 4RV-2 Round Type B Gas Vent Chimney Pipe
New section of 4″ x 2′, 4RV-2, Round Type B Gas Vent Chimney Pipe by Selkirk Corp. 1/2″ larger. 4″ x 2′, (24″) 4RV-2 Round Type B Gas Vent Chimney Pipe. Outer liner of 28 ga galvanized steel.