Single-Size Test-Ball Plugs (Underground).
Features:
- Designed to block sewer flow or for use as a back plug for sewer air testing.
- Natural rubber material 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.
- Features an eye-bolt for use with a poly-lift line.
