Cherne 270040 Rubber Test Ball Pipe Plug, Black, 4 Inch

Test ball plug 4 inch nominal size Tests DWV systems at pressures up to 13 PSI/9 m. Natural rubber body provides excellent stretch Inflatable design can be inserted through a test tee to seal out round pipes and hard-to-reach openings Uses a standard tire air fitting for easy connections Ring and chain assembly prevents connector from being pulled into DWV systems during testing Made from natural rubber for excellent extension and memory. Seals both round and non-round tubes. Galvanized steel chain and ring handle act as an anchor to prevent the plug from sliding down a line. Easily fits through test tees, plumbing tees, floor drains and other "tight" situations. Size: 4 inch, Weight: 0.7 Pounds, Manufacturer: Cherne