The CM-II CE Certificate portable AC tube cleaner uses a cleaning tool mounted to the tip of a flexible shaft, which is available in different lengths and diameters to fit the size of the tube to be cleaned. As the shaft rotates inside its watertight nylon casing,the unit feeds water through the casing to the cleaning tool. A foot switch controls shaft rotation and water flow.While the operator feeds the rotating shaft assembly through the tube, the water flow flushes out deposits as they are loosened. Application: CM-II CE Certificate portable AC tube cleaner Used for central air conditioner of Carrier, York, Trane in condenser, chiller, evaporator, absorption machine, heat exchanger and pipes which need maintenance frequently etc Features: Professional equipment- no damage to pipe. Simple to operate- minimal training required. Reversing available Stainless steel construction-long life. Quickly connect and disconnect the flexible shaft- no tools required. Interchangeable cleaning tool- versatile.