... ) 3L,4L,5L,6L,10L,22L,33L and big ultrasonic cleaner equipment OEM. Ultrasonic Cleaner:(1) Lowest back-repair rate(2) Safe(3) 3L ... ,5L,6L,10L,22L,33L and big ultrasonic cleaner equipment OEM.(4) 1 year warranty, 5-10 years useful time.(5) 220V-240VAC ... user guide into Local lanuage.(8) good serivce. What is Ultrasonic cleaner:An ultrasonic cleaner, often colloquially referred to as a sonicator, is a ...