Cherne 270270 8" End of Pipe Gripper Plug, 17 PSI, 40FT

Multi-Size Test-Ball Plugs (Underground). Features: One plug fits multiple pipe diameters. Made of natural rubber for excellent expansion and memory. Seals both round and out-of-round pipe. Removable inflation valve can be replaced if damaged or replaced with quick disconnect fitting. Use to block flow or as a back plug for sewer air testing.

Single-Size Test-Ball Plugs Features: 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.

Multi-Size Test-Ball Plugs (Underground). Features: One plug fits multiple pipe diameters. Made of natural rubber for excellent expansion and memory. Seals both round and out-of-round pipe. Removable inflation valve can be replaced if damaged or replaced with quick disconnect fitting. Use to block flow or as a back plug for sewer air testing.

Multi-Size Test-Ball Plugs (Underground). Features: One plug fits multiple pipe diameters. Made of natural rubber for excellent expansion and memory. Seals both round and out-of-round pipe. Removable inflation valve can be replaced if damaged or replaced with quick disconnect fitting. Use to block flow or as a back plug for sewer air testing.

Cherne 270188 4" Clean-Out Gripper Plug, 17 PSI, 40FT Patented threaded O-ring ensures airtight seal. Stainless steel hardware prevents corrosion. Black color blends well with cast-iron pipe. NPT-sized. Guaranteed to seal all damaged threads. Made with glass-reinforced ABS plastic and natural rubber O-ring.