SELKIRK RV 5 In. x 12 In. Adjustable Round Gas Vent Pipe outdoor Home 2-way brake locks both roll

2-way brake locks both roll and rotation

1/2" IPS (iron pipe size) connectors

per 4-gallon

Features durable plastic construction with a clear finish

SELKIRK RV 5 In. x 12 In. Adjustable Round Gas Vent Pipe outdoor Home 2-way brake locks both rollUsed in combination with a straight length, this component assures that an exact required vent length can be achieved. Allows for easy disassembly and can absorb the linear expansion of longer pipe lengths. 12" length adjusts from 3 1 2" to 10 1 2", 18" length adjusts from 6" to 16". Size refers to the inside diameter of the pipe or fitting. The outside diameter of RV is approximately 1 2" larger. Type B gas vent.