Cherne #271-721 4" Clean Seal Plugs

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About this part

Designed for stack testing of drain, waste, and vent plumbing systems, Clean-Seal® plugs thread into a standard test tee. The bladder is inflated and then water is introduced into the pipe. Upon test completion, deflate the bladder; water travels down the pipe, eliminating test water back splash.
Works in both plastic and cast-iron test tees
Natural rubber body provides a leak-free seal
High-impact ABS threads for maximum durability
Removable/replaceable tire inflation valve fitting
13 PSI max back pressure