Dura Vent 4" X 3" Round Type B Gas Vent Reduction Tee
Dura Vent 4" X 3" Round Type B Gas Vent Reduction Tee 4" X 3" Round Type B Gas Vent Reduction Tee, Dura-Vent gas vent pipe and accessories assemble quickly with twistlock connections. Type B Gas Vents are for venting listed natural gas or liquid propane Category I appliances.
