When your parts do not require zero-residue cleaning results, or you are cleaning steel parts that require a rust preventative to prevent rusting of your parts after cleaning is complete, the Astro is an excellent choice.  These systems include a single ultrasonic cleaning tank that is filled with an aqueous detergent that has built-in rust

The VORTEX Centrifugal Ultrasonic Cleaning System is a 4-tank multi-stage automatic small parts washer that includes centrifugal rotation in every process stage, and is designed for the cleaning of small to mid-size parts at unbelievable rate of speed.  This system is perfect for processing metal stampings, fasteners, bearing components, solenoid valves, linear motion components, or