About this item
- Test ball plug 4 in. nominal size
- Tests DWV systems at pressures up to 13 PSI/30 ft.
- Natural rubber body provides excellent expansion
- Inflatable design can be inserted through a test tee to seal out-of-round pipe and hard-to-access openings
- Utilizes a standard tire air fitting for easy connections
- Ring and chain assembly helps prevent the plug from being drawn into DWV systems during tests
- Made of natural rubber for excellent expansion and memory.
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