The Graymills Corp. BTU Series Benchtop Ultrasonic Parts Washers is an industrial-grade, self-contained, compact cabinet which provide efficient, precision cleaning capabilities for a wide variety of parts and applications. This washer offers 40kHz ultrasonics for fast, thorough parts cleaning. Integral, self-contained cleaning tank and generator saves bench space. Permanently bonded transducers are guaranteed not to fail. Adjustable, thermostatic-controlled tank heaters maintain optimum cleaning temperatures. Comes with a convenient 3/4" NPT drain fitting and valve, and available in three tank sizes. Optional parts baskets available to enhance performance and operation.