DOP Stage 2 Pre-Filter (#103724) for the Dri-Eaz® DefendAir HEPA Air Scrubber - Pack of 4 SuperFreak Discount Eligible and it will last the

and it will last the longest

Wide wheelbase for easy start-up and less vibration during use

For heavy soiling

Maintenance

Each case comes with five 1" thick pads that are made from 100% recycled materials

DOP Stage 2 Pre-Filter (#103724) for the Dri-Eaz® DefendAir HEPA Air Scrubber - Pack of 4 SuperFreak Discount Eligible and it will last theBy adding the DOP stage 2 filter, you can turn the Dri Eaz DefendAir HEPA Air Scrubber into a high efficiency three stage air filtration unit, ready for any sensitive job requiring first pass HEPA filtration. When the DOP pre filter is used in combination with the standard pre filter and the HEPA primary filter, the DefendAir HEPA 700 passes laboratory DOP testing conducted per ANSI standards and achieves an efficiency rating of 99. 97% against oily