Quote:
Originally Posted by Frank Lee
tap and/or blow out some dust occasionally. Hardly ever need to replace.
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This is common practice in emerging countries. I actually have an SAE paper here where they tested various methods to clean and reuse OEM paper filters. The best way to do it is to tap it a couple times on a flat surface, then blow it from the clean side with compressed air. You should just be careful not to contaminate the clean side while doing so.