MARK-20V Replacement Pre-Filters

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Replacement Pre-Filters 12-pack for MARK-20-V Heavy Duty Commercial Air Cleaner Smoke Eater The pre-filter is the first of 3 filter stages in the MARK-20/V. Its function is to remo ve 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-20V pre-filter every month. For use in the MARK-20V Heavy Duty Commercial Air Cleaner Smoke Eater Show more