PUREBURG MA-18R Replacement Filter Compatible with Medify MA-18 MA18 Air Purifier,2-Pack H13 True HEPA 4-Stage Filtration Activated carbon 2-in-1 Air Clean Dust VOCs Odor About this item 2-Pack, H13 4-Stage Filtration True HEPA Filters Compatible with Medify MA-18 Air Purifier , MA-18R 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 required. Note: please remove the new filter from the plastic bag before placing it into the machine. Product Description PUREBURG Replacement True HEPA Filters Compatible with Medify MA-18 Air Purifier , MA-18R,H13 4-Stage Filtration Activated carbon 2-in-1 Air Clean Dust VOCs Odor PM2.5,2-Pack Any brand names or logos are the registered trademarks of their respective owners. Any use of any brand name or model designation for this product is made solely for purposes of demonstrating compatibility. PUREBURG - Pure Your Breath! We value your satisfaction. If you have any problems using our product, please always contact us.