The addition of the DOP filter makes the DefendAir 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 2nd stage 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.
Please take a look at the owner's manual in the documents area for more information.
*Please Note: This filter formerly had a part # of DRI-F415.
- Passes laboratory DOP testing when installed as part of three-stage filtration process.
- Equips the HEPA 500 for a wide range of environments that require first-pass high efficiency air filtration.
- Fits the DriEaz DefendAir HEPA scrubber
- Package of 4 pre-filters