ROLING Inflatable Pipe Plug Balloon Plug,Pipe Pressure Test Plug,Plumbing Test Ball,Sewer Test Plug. (4 inch)

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About This Working Pressure:The maximum working pressure should not exceed 2.9 PSI / 20 kpa / 0.02MPa. Expansion coefficient: The diameter of the pipe plug will expand about 50% un der the pressure of 2.9 PSI / 20 kpa / 0.02MPa. After-sales: If you have any quality problems, please contact us, we will give you the fastest speed to replace the new pipe plug. Usage:Used for sewer pipe testing. Material:Natural rubber material with good expansion and memory. Overview Size : One Size Color : 4 inch Material : Natural rubber Brand : ROLING Item dimensions L x W x H : 11 x 11 x 16 inches Show more