CHERNE Multi-Size 4 in. - 6 in. Rubber Test-Ball Pipe Plug

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. Many are available with our patented Rupture Disc Technology, which prevents over-inflation

• Seals or holds pressure while testing a piping system
• Steel chain acts as anchor to prevent plug from falling down line
• Inflatable design allows for fast and easy installation