This BISSELL 2801 MYair Personal Air Purifier Replacement Filter, 1 Count is the perfect solution for those who want to breathe clean air at home. It is designed to effectively remove dust, allergens, and other airborne particles from your indoor air. The filter has a MERV rating of 8 and uses HEPA-type filtration technology to remove up to 99% of airborne particles as small as 0.3 microns.