PUREBURG Replacement Filter Compatible with GermGuardian AC5900WCA Air Purifier FLT5900 and Filter J, 2-Pack H13 True HEPA Activated Carbon Pre-Filters For Dust Odor Clean

H13 HEPA capture up to 99.97% of PM2.5 particles as small as 0.3 microns. This includes dust, pet dander 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.