SELKIRK RV 3 In. x 12 In. Adjustable Round Gas Vent Pipe DuoFoam Lock-On button provides easier control

Lock-On button provides easier control during prolonged use

and multiple safety features

Use with 3/4" x 3/8" aluminum screen frame

asbestos and industrial chemicals NSF (National Sanitation Foundation) certified

Must have tensioning hardware on both ends of cable run opposite the corner

SELKIRK RV 3 In. x 12 In. Adjustable Round Gas Vent Pipe DuoFoam Lock-On button provides easier controlUsed 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.