Cherne 270032 TestBall 3Inch Plug Black

Test ball plug 3 in. nominal size, Tests DWV systems at pressures up to 13 PSI/30 ft., Natural rubber body provides excellent expansion, Inflatable design can be inserted through a test tee to seal out-of-round pipe and hard-to-access openings, Utilizes a standard tire air fitting for easy connections, Ring and chain assembly helps prevent the plug from being drawn into DWV systems during tests, Made of natural rubber for excellent expansion and memory., Seals both round and out-of-round pipe., Zinc-plated steel chain and ring handle acts as an anchor to prevent plug from sliding down a line., Fits easily through test tees, sanitary tees, floor drains, and other "tight" situations., Size 3 in