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Subject:
Re: HEPA Filter question?
Response To:
HEPA Filter question? ()

Don Stephan
You might try sanding for say 20 minutes (change paper as needed) using your current system, and see if there is any sanding dust accumulating downstream from the shop vac exhaust. Seems like drywall sanding dust was a lot coarser than dust from even 240 grit paper.

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