My experience with one was at work when I was running a laser drill. We cleaned test panels in an ultrasonic cleaner after drilling them and before reading them. It was MUCH larger than the one Don is looking at so, at the price listed, it was probably a multi thousand dollar cleaner.

Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.