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The Perm-A-Foam Filter is a permanent pleated filter designed to replace the throwaway furnace filter. To clean, simply wash under the faucet in the sink, let dry and replace.

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This filter is designed to filter out small dust particles in computers and other electronic equipment. It can also be used in machinery application vents, air cleaners and other uses where a permanent filter is advantageous.  This filter is designed for years of use.

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