Dura Vent 3" 45 Degree Round Type B Gas Vent Elbow

Dura Vent 3" 45 Degree Round Type B Gas Vent Elbow 3" 45 Degree Round Type B Gas Vent Elbow, 4 Piece Design. 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. • 45° Elbow is adjustable from 0° to 60° in size 3" to 8"