Foam Replacement for Micro Filtrabox (Pre-Filter)

Pre-filter:The pre-filter removes the majority of the submicronic respirable dust, protecting the critical downstream HEPA filter from strain and premature clogging. The filter media is encased in a strong aluminum cartridge to resist contamination bypass. The high surface area mini-pleat filter media ensures high capacity and efficiency for typical applications.

NOTE:The Pre-Filter has now been replaced by aFoam Filter. The foam is washable and reusable. It is recommended that you have 1 Foam Filter with the frame and a spare foam filter on hand.

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