SELKIRK RV 4 In. x 18 In. Adjustable Round Gas Vent Pipe Mouse Includes: (2) 7' lengths and

Includes: (2) 7' lengths and (1) 3' length

The rod has a rich metallic finish for chip and rust resistance

and base coat stucco

aged bronze

Includes backdraft damper

SELKIRK RV 4 In. x 18 In. Adjustable Round Gas Vent Pipe Mouse Includes: (2) 7' lengths andUsed 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.