PUREBURG 21500 Replacement Filter Compatible with Honeywell 50150 51500 61500 11500(EV-15) 18150 11520 17200 Series Air Purifiers, H13 True HEPA and 2 Cabon Pre-Filter, 3 Piece Pack

High-quality Replacement Filter Set - 1 True HEPA filter +2 Activated Carbon Pre-filter- | Compatible with Honeywell 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. This includes dust, pollen, pet dander, smoke, and other minute particles ,Activated Carbon reduce Chemicals VOCs, tobacco smoke,PM2.5,common household bad smell | Please replace regularly to keep your machine fresh and clean. For the best performance, clean the filter once a month with a soft brush gently or with a vacuum cleaner. | Top Notch Quality Used for Maximum Customer Satisfaction Guaranteed. Every Product made by PUREBURG is Tested through Rigid Examinations and QC Procedures.