• Single size Test-Ball® plugs are designed to test drain, vent and waste systems in every type of pipe Natural rubber body provides excellent expansion and a great seal in round and out of round pipe Inflatable design can fit through test tees, sanitary tees, floor drains and other hard to access pipe 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

CHERNE® single size Test-Ball® plugs are designed to test drain, vent and waste systems in every type of pipe. They also can be inserted through a test tee to seal out of round pipe. CHERNE® Industries is a global leader in pipe plug, blocking and testing.