Ultrasonic Cleaner machine 1.24 hours continuous work 2.automatic constant temperature system ... Stainless steet heatable ultrasonic cleaning machine1, Uses: Single family washing machine, use a little water, Soils as a cleaning agent additives ... , tools, optical lenses, jewelry, lenses, eyeglass frames, semiconductor silicon wafer, spinning plates and glassware, etc. over filter cleaning.2, Features: 1 ...