PUREBURG HEPA Filter Compatible with Xiaomi 4 Compact Smart Air Purifie

2-Pack, H13 3-Stage Filtration True HEPA Filters ,(A replacement filter is a combination unit that contains the mesh pre-filter, High-efficiency HEPA filter, and activated charcoal all in one) | Compatible with Xiaomi 4 Compact Smart Air Purifier, | 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,Fine Mesh Layer Prevents large particles such as dander,Pet hair | 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. Change the PUREBURG replacement filter in a minute, no tools reAdd Morequired. Note: please remove the new filter from the plastic bag before placing it into the machine.