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Delivery is scheduled for 04/19.
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This filter is the 1st stage pre-filter (115471, formerly F270) used in the Dri-Eaz DefendAir HEPA 500 Air Scrubber. This pre-filter is made of synthetic fiber filter media and is rated at a 10% efficiency. It captures the largest particles in the air and helps extend the life of the higher efficiency filters inside the air scrubber. Replace regularly to ensure maximum performance. Available in a pack of 12.
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 (113364 / F271) | Install HEPA 500 filter cartridge (111192 / F321) |
Standard Air Scrubbing | Install 1st stage pre-filter (115471 / F270) | Install 2nd stage pre-filter (113364 / F271) | Install HEPA 500 filter cartridge (111192 / F321) |
\"First Pass\" Efficiency Air Scrubbing | Install 2nd stage pre-filter (113364 / F271) | Install DOP 2nd stage pre-filter (103724 / F415) | Install HEPA 500 filter cartridge (111192 / F321) |
Air Scrubbing and Odor Control | Install activated carbon filter (100053 / F397) | Install 2nd stage pre-filter (113364 / F271) | Install HEPA 500 filter cartridge (111192 / F321) |
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