Test Plug Plumbing,Sewer Test Plug,Inflatable Pipe Plug Balloon Plug,Pipe Test Plug,Plumbing Balloon Plug,with an Extended air Pipe. (3 inch)

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About This Usage: used for downspout testing and sealing. Choose the corresponding size of inflatable pipe plug according to the inner diameter of your pipe. Material: natural rubb er material with good expansion and memory. Working Pressure: The maximum working pressure should not exceed 2.9 PSI/20 kpa/0.02MPa. Inflating Method: It is recommended to use a pump to inflate, and if you use an air pump to inflate it, the limited pressure should not be exceeded. After-sale: if there is any quality problem, please contact us, we will replace your new sewer test plug as fast as possible. Show more