CTS Connect air-actuated internal or external connectors are for sealing smooth, rough or threaded circular features of a part. The connectors consist of an air-driven internal piston that compresses the urethane seal material against the surface of the part, creating a tight seal that meets all test pressure requirements, regardless of surface shape or finish. The connectors are ideal for leak testing, filling, cleaning, burst or pressure testing, flushing, charging, integrity, sealing and part handling in a variety of industries including automotive, medical, appliance, industrial and military.