Dura Vent 3" Round Type B Gas Vent Steep Roof Flashing

Dura Vent 3" Round Type B Gas Vent Steep Roof Flashing 3" Round Type B Gas Vent Steep Roof Flashing, 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.