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Which direction should the airflow arrow point on my air filter?
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Which Way Does The Furnace Filter Go?
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Which direction should the airflow arrow point on my air filter?
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Airflow direction? Central heat AC unit which is forced air. Red arrow was my guess after looking online, but the filter was pointing the opposite direction. Dumb, I know. : r/hvacadvice
Which Way Does The Air Flow Arrow Point? - FiltersFast.com
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HDX 20 in. x 30 in. x 1 in. Superior Pleated Furnace Air Filter FPR 9, MERV 12 HDX1P9-012030 - The Home Depot
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Carrier 58MSA060-08 Furnace Filter Replacement - iFixit Repair Guide
