The Cherne Test-Ball continues to be the most trusted pneumatic test ball in the industry. Designed for applications from pressure testing and blocking of residential DWV systems to repair maintenance and installation of municipal infrastructure piping systems, the Cherne Test-Ball is the one ball that does it all.
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.
Broader expansion range than mechanical plugs.
Fits easily through test tees, sanitary tees, floor drains, and other "tight" situations.
Size 3 in