SELKIRK RV 4 In. x 12 In. Adjustable Round Gas Vent Pipe Multy Home The 4-pin cylinder prevents picking

The 4-pin cylinder prevents picking and the dual locking levers provide resistance against prying and hammering

Reduces and finishes the edge of wood

users get all day comfort when worn on the bare head

Stabili-Cap design provides a solid kneeling base and also allows for easier forward movement

SELKIRK RV 4 In. x 12 In. Adjustable Round Gas Vent Pipe Multy Home The 4-pin cylinder prevents pickingUsed 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.