21500 Replacement True HEPA Filter Set Compatible with 50150 51500 61500 11500(EV-15) 18150 11520 17200 Series Air Purifiers

High-quality Replacement Filter Set - 1 True HEPA filter +2 Activated Carbon Pre-filter Compatible with 21500 fits models 11500 Series 11520 Series 17200 Series 18150 Series 50150 51500 61500 H13 True HEPA capture up to 99.97% of PM2.5 particles as small as 0.3 microns Activated Carbon reduce Chemicals VOCs, tobacco smoke,PM2.5,common household bad smell Top Notch Quality Used for Maximum Customer Satisfaction Guaranteed