Cherne Test-Ball series multi-size inflatable pipe plug is an improved version or Cherney original Tes-Ball plug, with one size plug suitable for (2) or more DWV pipe sizes. Fits 3" - 4" DWV (Drain, Waste, Vent) pipes - including Sch 40/80 PVC, ABS, cast iron (no-hub, service weight and extra-heavy) and others. Fits inside the system through test tees, cleanouts, floor drains, end of pipe, etc.Technical Specifications:
- Max Pipe Inside Diameter (ID): 2.80" - 4.25"
- Inflation Pressure: 40 psi
- Max. Back Pressure: 17 psi / 40ft
- Deflated Diameter: 2.64"
- Deflated Length: 5.18"
- Weight: 7.8 oz