Replacement filter for OdorStop OS500 HEPA Air Scrubber. It is also a replacement filter for the Dri-Eaz 500 HEPA Air Scrubber.
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Removes particulates down to 0.3 microns
Replacement filter for Dri-Eaz HEPA 500 Air Scrubber
Superior efficiency, high density composite paper frame
16 x 19 x 2.5