Dri-Eaz Defendair 500 Replacement Filters

Makes the HEPA 500 a high efficiency three-stage

air filtration unit, ready for any sensitive job
requiring first-pass HEPA filtration. With the
standard pre-filter, DOP Stage 2 pre-filter and
the HEPA primary filter installed, the HEPA 500
passes laboratory DOP testing conducted per
ANSI standards, achieving an efficiency rating
of 99.97% against oily aerosol particles down
to 0.3 microns.Standard HEPA 500 Filter Configurations
The HEPA 500 may be set up in a variety of filter configurations to
suit your particular air filtration requirements.
FILTERING
APPLICATION
FIRST
Pre-Filter position
SECOND
Pre-Filter position
FINAL
Primary filter (HEPA)
Clean water loss air scrubbing 1st Stage not necessary 2nd Stage Pre-Filter HEPA 500 filter cartridge
Standard air scrubbing 1st Stage Pre-Filter 2nd Stage Pre-Filter HEPA 500 filter cartridge
“First Pass” efficiency air
filtration
2nd Stage Pre-Filter DOP Stage 2 Pre-Filter HEPA 500 filter cartridge
Air scrubbing and odor control Activated Carbon Filter 2nd Stage Pre-Filter HEPA 500 filter cartridge
HEPA 500 filters
F270 1ST STAGE PRE-FILTER 
F271 2ND STAGE PRE-FILTER 
F415 DOP STAGE 2 PRE-FILTER 
F321 HEPA 500 FILTERS 

F397 ACTIVATED CARBON FILTER ACTIVATED CARBON 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. Individually
wrapped filters with uniformly-sized pellets
help to ensure maximum airflow and
maximum contact while minimizing filter dust.