The bucket filter also helps trap stray impurities in your dehumidifier. If you want to be extra thorough, grab a vacuum attachment or a brush and clean out any remaining dirt. Let it dry completely before reinstalling it. Take out the air filter and wash it gently with a sponge and soapy water. While the bucket collects water, the air filter extracts dirt, mildew, mold and other impurities in the air in your home. Your air filter is the workhorse of your dehumidifier.
