Honeywell HEPA Air Purifier R Filter - HEPA - For Air Purifier - Remove Allergens - 100% Particle Removal Efficiency - 0 mil Particles - 10.3" Height x 1.6" Width x 6.5" Depth

The True HEPA Replacement Filter R captures 99.97 percent of airborne particles as small as 0.3 microns to help you establish a cleaner breathing experience for you and those around you. Plus, its advanced design delivers cost-efficient performance by providing up to one year of filtration before replacement is required.