Cherney Test-Ball series Extra-Long inflatable pipe test plug for 4" DWV pipes with a 3ft extension hose. Designed for waste stack testing, seals the rise and the run to perform the test, and is ideally suited for sealing the wye fitting to perform sewer air tests. Compatible with all DWV (Drain, Waste, Vent) pipes - including Sch 40/80 PVC, ABS, cast iron (no-hub, service weight and extra-heavy) and others.Technical Specifications:
- Max Pipe Inside Diameter (ID): 3.5" - 4.25"
- Inflation Pressure: 30 psi
- Max. Back Pressure: 13 psi / 30ft
- Deflated Diameter: 3.5"
- Deflated Length: 24.75"
- Weight: 2.31 lbs