Skymen multi tanks industrial ultrasonic cleaner for hardware metal parts oil removal as a cleaning sample, other parts like aluminum housing,copper, chains, are all OK for degrease, rust and carbon removal. 1st tank is ultrasonic cleaning tank with oil filtration; 2nd tank is rinse tank with agitation for better cleaning; 3rd tank is spray tank for throughly cleaning; 4th tank is drying tank for parts drying after fully cleaned.