Open-Box: Dri-Eaz HEPA 500 Optional Activated Carbon Filter - 4 PACK (F397)
Open-Box: Dri-Eaz HEPA 500 Optional Activated Carbon Filter - 4 PACK (F397) - Very Good is backordered and will ship as soon as it is back in stock.
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Used - Like New: This product has been opened and may have been lightly used. The product is in perfect working condition but may have slight cosmetic blemishes. All product accessories and manuals are included. It is in its original manufacturer packaging that will show signs of previous shipping.
Used - Very Good: This product has been opened and lightly used. It is in very good working condition but may have cosmetic blemishes. All product accessories and manuals are included. The product is in its original manufacturer packaging but the packaging will have damage from previous shipping.
Used - Good: This product has been opened and used. It is in good working condition but may have cosmetic blemishes. There may be missing accessories or manuals. The product is in its original manufacturer packaging but the packaging will have damage from previous shipping. The original packaging may be over-boxed, if needed.
Used - Acceptable: This product has been opened and used. It is in good working condition but may have cosmetic blemishes. There may be missing accessories or manuals. The product is in its original manufacturer packaging but the packaging will have damage from previous shipping. It may be over-boxed, if needed.
Open-Box: Dri-Eaz HEPA 500 Optional Activated Carbon Filter - 4 PACK (F397) - Very Good is backordered and will ship as soon as it is back in stock.
This Open-Box: Dri-Eaz HEPA 500 Optional Activated Carbon Filter - 4 PACK (F397) has been fully inspected and tested to ensure proper functionality. You can buy confidently knowing every open-box comes with our 30-day money back guarantee. A great option if you're looking for quality and savings.
This Activated Carbon Filter (F397) is designed for use in the Dri-Eaz DefendAir HEPA 500 Air Scrubber. Installing this filter equips the HEPA 500 to capture a wide variety of volatile organic compounds (VOCs), including soot and smoke, food odors, fumes from paint and paint thinners, sewer odors, and many other compounds. Available in a pack of 4.
Product Features
- Eliminates VOCs - Captures a wide variety of volatile organic compounds (VOCs)
- Utilizes Extruded Activated Carbon – Uses 2.2 pounds of carbon pellets manufactured to uniform size to help ensure maximum airflow and maximum contact
- Uses Adsorption Method - Works by adsorption, carbon filtration’s natural ability to attract and hold gas and liquid molecules on its surface.
- Large Filtration Capacity - One pound of carbon has 534,438 square yards of available surface – equivalent to the area covered by more than 100 football fields.
Installing the Carbon Filter
No modification of your DefendAir unit is required when installing this filter. You'll simply place the new carbon filter inside the cabinet in front of HEPA filter and then re-secure the cover. The capacity of the carbon filter will vary widely depending on conditions, but it should be replaced when a decline of effectiveness is noted.
Dri-Eaz DefendAir HEPA 500 Filter Configurations
| 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) |
| Standard Air Scrubbing | Install 1st stage pre-filter (F270) | Install 2nd stage pre-filter (F271) | Install HEPA 500 filter cartridge (F321) |
| "First Pass" Efficiency Air Scrubbing | Install 2nd stage pre-filter (F271) | Install DOP 2nd stage pre-filter (F415) | Install HEPA 500 filter cartridge (F321) |
| Air Scrubbing and Odor Control | Install activated carbon filter (F397) | Install 2nd stage pre-filter (F271) | Install HEPA 500 filter cartridge (F321) |
