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Metal-Fab 4 x 18 Type B Double Wall Round Gas Vent Pipe UL Listed with SureLock Technology
Brand/Manufacturer Metal-Fab Part # 4M18 UPC Wall Vent Pipe 4 in. x 18 in.' Pipe 1.66 Lbs Category Supplies >> Installation >> Vent Pipe & Fittings Keywords PLEASE NOTE Vent overlaps 1.5 when joined together, thus assembled length is 1.5 less than listed length. SURELOCK B-VENT LOCKING SYSTEM The design of the SureLock B-Vent System is unique. The male end of the pipe features a square dimple, positioned in the exact location to match the tab that is located on the female end of the pipe. When the pipe is joined and twisted until it stops, the SureLock tab

Price is $44.00
Price: $43.62