Taking Kevin's link and scrolling down to the list of characteristics, #2 says output spot size is 4mm. If that means the working size cleaning area is 4mm by default that will take a LONG time to clean anything. 4mm is just over 1/8".
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.
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