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AC Duct Blows
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08-30-2020, 08:35 PM
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Fred
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Join Date: Mar 2020
Location: Hampton
Posts: 24
M.O.C. #26030
Are the black flecks plastic? It might be polyethylene bits from where they cut holes in the ducts at the factory. Try burning them and see if they melt or produce black smoke.
Fred
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