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Typical Applications:
Air Purification
Odour Removal
Dust removal

Not only is an air scrubber an essential tool when handling 'dirty' jobs such as those involving sewage or mould, but it's also great for removing harmful particulates that have been stirred up by airmovers used during 'clean' drying of leaks and spills. The HEPA 500 works fast: one unit running at maximum speed will generate more than seven air changes per hour in a 100 M³ room, and helps to restore any environment to a pre-loss condition fast - the ultimate goal of every restoration job.


Improve IAQ:

Use an air scrubber to improve everyday indoor air quality, increasing productivity and reducing the incidence of asthma and other illnesses in office workspaces and public buildings; to eliminate stale air pockets; or to purify air and remove lingering odours after cleaning, moisture intrusion, fire and smoke damage or sewage back-up. High-efficiency filtration also helps improve the air quality during construction and renovations or after installation of new carpets, etc.

Product Overview:
With user-friendly and versatile features, the DefendAir HEPA 500 is ideal for handling indoor air quality needs on every job. The DefendAir HEPA 500 uses true HEPA filter media with an efficiency rating of 99.97% against 0.3-micron oily aerosol particles. The DefendAir HEPA 500's rotomoulded design is stackable, lightweight, offers superior durability and is impregnated with Microban® antimicrobial protection to inhibit the growth of odours and stain causing bacteria, mould and mildew. Incorporating variable speed airflow control, the incoming contaminated air and outgoing cleaned air can be be ducted to meet your requirements.

Boost HEPA 500 functionality by adding the activated charcoal filter to capture a wide variety of volatile organic compounds (VOCs) including soot and smoke, food odours, fumes from paint and paint thinners, sewer odours, and many other compounds.

Features & Benefits

  • Advanced - true HEPA - filtration technology
  • HEPA filter change indicator
  • Range of pre-filters available including activated charcoal for odour removal
  • Stackable, lightweight, and easily transportable
  • Ductable to suit requirements
  • 2 years - limited product warranty


Model   F284-230V
Supply Voltage   230 V
Speeds   Variable
Max Rated Airflow   713 M³ / Hour
Min Rated Airflow   562 M³ / Hour
Filtration Performance   99.97% of 0.3 micron particulates
Filter System   true HEPA technology 
Amp Draw   1.5 A
Power Consumption   0.35 KW / Hour
Dimensions H × W × D   62.5 × 66.5 × 46.2 cm
Use Weight   19.9 KG
Controls   variable switch
Housing   Rotomoulded polyethylene
Stackable   Yes
Microban® Impregnated   Yes
Cable Wrap / Storage   Yes
Ductable   Intake: 35 cm
Outlet: 20.3 cm
Power Cord Length   7.6 M
Plug Type   3 Pin BS1363
Safety Mark   CE
Product Warranty   2 Years – Limited
Housing Warranty   Lifetime


Sto & Go Vortex Ducting  
DefendAir Ducting 

Description Filter Type Product Code Features When to change? # per HEPA 500
FILTER 1st STAGE ( EX & HEPA ) Pre-Filter F270 This filter has less restriction to allow the HEPA to do more air changes per hour. This will allow the restorer to do the job faster with potentially a less number of HEPA 500's. When visibly dirty. Or after a mould job. 1
FILTER 2nd STAGE ( EX & HEPA ) Pre-Filter F271 Opposite of F270 but it will protect the PrimF321 for longer. When visibly dirty. Or after a mould job. 1
FILTER 2nd STAGE DOP (EX & HEPA) Pre-Filter  F415  For sensitive jobs that require first pass filtration. When visibly dirty. Or after a mould job.  1
ACTIVATED CARBON FILTER Pre-Filter F397 Use instead of F270/1 to capture odourous VOC's from soot, smoke, food, paint, paint thinners sewage and many others.  When visibly dirty. Or after a mould job. 1
ODORKLENZ® PRE HEPA 500 Pre-Filter AR70 The same as the F397 but up to 10 times faster and more effective. When visibly dirty. Or after a mould job. 1
PRIMARY FILTER HEPA 500 Main Filter F321 Main HEPA filter that removes 99.7% down to .3 micron. When change light comes on. 1


DefendAir HEPA 500 User Guide

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