High efficiency air filtration, the maximum clean air rating from AHAM, and extreme versatility-all with a small footprint! The DefendAir HEPA 500 combines advanced clean air performance with the ultimate, most functional features to help make the restorer's job easier.

  • Built-in MICROBAN antimicrobial product protection to inhibit growth of bacteria, mold, and mildew that can cause stains, odors, and product deterioration
  • Advanced filtration technology, available through exclusive partnership
  • Daisy chain capability-link up to 3 units on 1 power outlet
  • Variable CFM on each unit
  • Stackable, lightweight, and easily transportable


  • True HEPA-
    The DefendAir HEPA 500 delivers true High Efficiency Particulate Air (HEPA) filtration of 99.97% against 0.3-micron oily aerosol particles at 500 CFM the typical airflow level demanded on restoration jobs. The HEPA 500 has been independently tested and verified, so you can feel confident about the filtration efficiency you're really getting at the airflow you'll use.
  • Maximum CADR-
    The HEPA 500 offers the assurance of the maximum Clean Air Delivery Rate (CADR), an official standard set by the Association of Home Appliance Manufacturers (AHAM). The HEPA 500 meets the maximum standard set by AHAM (450 CFM). Independent testing (using AHAM protocols) also verifies that the HEPA 500 exceeds AHAM standards by delivering 500 CADR, and achieves a filter efficiency rating of 99.97% at 500 CFM.
  • Designed for Restoration-
    With user-friendly and versatile features, the HEPA 500 is ideal for handling indoor air quality needs on every restoration job. Any job that involves sewage, mold, or fire damage clearly involves significant amounts of particulates and smelly gasses a direct result of the damage itself.


  • Model - F284
  • Voltage - 115v
  • Dimensions - 24.6"x26.2"x18.2"
    (62.5x66.5x46.2 cm)
  • Ductable Intake - 12"
  • Outlet - 8"
  • Use Weight - 44 lb (19.9 kg)
  • Ship Weight - 46 lb (20.8 kg)
  • Frequency - 60 hz
  • Power - 3 amps
  • CFM Rating (Min) - 250 CFM
  • CFM Rating (Max) - 500 CFM
  • Filter System - 2-stage/optional carbon filter
  • Primary Filters - HEPA filtration technology
  • Housing Material - Rotomolded, with built-in *Microban antimicrobial protection
  • Daisy Chain - Plug 3 units together - 1500 CFM
  • GFCI Protected Outlet - Yes
  • Power Cord Length - 25 foot (7.62m)
  • Variable Speed - 250 CFM - 500 CFM
  • Filter Indicator Light - Pre-Filter change
  • UL Listed - Yes

Item No. F284 (AC35)

*MICROBAN is a registered trademark of Microban Products Company.

Add to Cart:

  • Model: F284 (AC35)
  • Shipping Weight: 46lbs
  • Manufactured by: DRIEAZ - drying solutions

This product was added to our catalog on Thursday 13 April, 2006.

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