This is the standard HEPA filter for the HEPA 1000 Air Scrubber. It provides true HEPA filtration with 99.97% efficiency against particles 0.3 microns or larger.

This pleated media filter features rugged construction and provides high-quality performance at a low initial cost. This is the 1st Stage Pre-Filter for the Dri-Eaz DefendAir HEPA 500 and DefendAir EX Air Scrubbers. It measures 16" x 16" x 1".