SELKIRK RV 4 In. x 18 In. Adjustable Round Gas Vent Pipe Fluidmaster Packed in cardboard box with

Packed in cardboard box with window

cast-aluminum fixed base provides long term durability

2001 Series 4000

2 brass keys

This allows the flood water to automatically enter and exit through the frame opening

SELKIRK RV 4 In. x 18 In. Adjustable Round Gas Vent Pipe Fluidmaster Packed in cardboard box withUsed 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.