"True HEPA Filter for Fellowes 190 Air Purifiers, 10.31 x 13.37 | Bundle of 5 Each"

Captures 99.97% of airborne particles as small as 0.3 microns. AeraSafe antimicrobial treatment provides built-in protection from the growth of odor causing bacteria, mildew, and fungi on the filter. Compatible with AeraMax Air Purifiers. Indicator notifies you when it's time to change filter.