3.41 to 4.25 in Usage Range, Blocking Plug, Ring and Chain Eye Bolt

• 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 the DWV plumbing system during testing Zinc-plated steel chain and ring handle acts as an anchor to prevent plug from sliding down a line Fits easily through test tees, sanitary tees, floor drains and other "tight" situations Broader expansion range than mechanical plugs

CHERNE® single-size Test-Ball® plugs are expandable rubber test plugs designed to test drain, vent and waste systems in every-type of pipe. Utilizing a standard tire air fitting for easy connections, its inflatable design can be inserted through a test tee to seal out-of-round pipe and hard-to-access openings. These plumbing test plugs are available in a variety of nominal sizes to accommodate your DWV testing needs. CHERNE® Industries is a global leader in pipe plug, blocking and testing.