MARK-15 Replacement Pre-filters

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Replacement 12-pack of Pre-Filters for the MARK-15 Commercial Air Cleaner & Cigar Smoke Removal System. The pre-filter is the first of 3 filter stages in the MARK-15. Its function is to remove the larger particles so they don't clog the High Efficiency filter. This includes lint, hair, dust, etc. The easy-to-change pre-filter should be replaced, on average, at least once per month. This will ensure your smoke eater continues to function properly. Pre-filters CANNOT be washed. Replace the Mark-15 pre-filter every month. For use in the MARK-15 Commercial Air Cleaner & Cigar Smoke Removal System Show more