Float DrainOur patented automatic FLOAT DRAIN, model #500FD, was especially designed to fit all models of the Extractor/Dryer (except the 195A). The external bowl is used to collect liquids and contaminants removed by the Extractor/Dryer. Operation is dependent on the liquid level inside the drain bowl and is dispensed by a float controlled device. Prevents any air lose and noise. A clear drain hose is provided.