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These HEPA filters (F513) are the primary filters used in the Dri-Eaz DefendAir HEPA 500 Air Scrubber. These filters combine a powerful filtration ability with a remarkable filtration capacity.
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These HEPA filters (F513) are the primary filters used in the Dri-EazDefendAirHEPA 500 Air Scrubber. These filters combine a powerful filtration ability with a remarkable filtration capacity. They are rated true HEPA-grade, removing 99.97% of micron oily aerosol particles down to 0.3 microns.
| Your Filtration Needs | 1st Stage Filtration (Pre-Filter position) | 2nd Stage Filtration (Pre-Filter position) | Final Stage Filtration (Primary HEPA Filter) |
| Clean Water Loss Air Scrubbing | 1st stage pre-filter not necessary | Install 2nd stage pre-filter (F271) | Install HEPA 500 filter cartridge (F321 or F513) |
| Standard Air Scrubbing | Install 1st stage pre-filter (F270) | Install 2nd stage pre-filter (F271) | Install HEPA 500 filter cartridge (F321 or F513) |
| "First Pass" Efficiency Air Scrubbing | Install 2nd stage pre-filter (F271) | Install DOP 2nd stage pre-filter (F415) | Install HEPA 500 filter cartridge (F321 or F513) |
| Air Scrubbing and Odor Control | Install activated carbon filter (F397) | Install 2nd stage pre-filter (F271) | Install HEPA 500 filter cartridge (F321 or F513) |