?High-quality Replacement True HEPA Filter , 2-Pack ?Fully Compatible with VALKIA PU-P02 Air Purifier ?H13 True HEPA capture 99.97% of PM2.5 dusts PM2.5 down to 0.3 microns in size. Remove large and PM2.5 particles, including dust, common pollutants ,Activated carbon reduce Chemicals VOCs, tobacco smoke, PM2.5,common household bad smell ?Please replace regularly to keep your machine fresh and clean,For best results, remove the filter once a month and clean with a soft brush or gently vacuum. ?Top-Notch Quality Used for Maximum Customer Satisfaction Guaranteed,Change the PUREBURG replacement filter in minutes, no tools required; note: please remove the new filter from the plastic bag before placing it into it.