Cherne® Single-Size Test-Ball® Plugs are designed to test drain vent and waste systems in every type of pipe. They also can be inserted through a test tee to seal out-of-round pipe. Cherne Industries is a global leader in pipe plug blocking and testing. more
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... more
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