Quote:
Originally Posted by Westside Guy
I used one on my old Mercedes for years and now have purchased a new one for my Z4.
It does the job on a light coating of dust. 
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Quote:
Originally Posted by nazali
He said there fine on garage queens when its just DUST, but not road dust
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Your detailer is correct, as I mentioned previously I use my duster when my car is clean and only has a light layer of dust and it works perfectly.