Permanent Filter for Return Air Filter Grilles
These permanent filters can be cut for any size return air filter grille. Permanent filters for your return air filter grille can be washed and reused to last for years. They are a great alternative to traditional disposable filters. Not only do they last much longer than traditional filter, they also trap up to 2 1/2 x more dust. They can trap more dust by creating an electrostatic charge. These return air filters are 20" x 20" and can be cut down to size.
How to Clean your Permanent Filter
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Remove your filter from the return air filter grille.
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Vacuum out all of the dust.
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Rinse the permanent filter under the faucet.
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Re-insert it into your return air filter grille.
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