4.5L Dental lab Handpiece Digital Ultrasonic Cleaner Cleaning Ultrasound Unit

  
FDA for Handpiece: 510(K) Number: K181691, Regulation Number: 872.4200, Classification Product Code: EFB, Subsequent Product Code: EGS. It's these small bubbles which form and grow in the zone of negative pressure, and explode instantaneously in the zone of positive pressure, to strike with high pressure the surface, gap, and small local of a cavity to be washed, leading to peeling off of fouling quickly, thus the good cleaning and purifying effect can be reached.