Kenmore Replacement HEPA/Pre-Filter 83159 Genuine Kenmore 83159 true HEPA air purifier filter replacement. Fits Kenmore air purifier models: 83244 and 85244. HEPA filter removes up to 99.97% of particles as small as 0.3 microns including smoke, dust, pollen, pet hair and dander, mold spores and dust mite debris. Replace HEPA filter every 6-12 months, depending on usage and environment. Package contains one (1) HEPA filter. Product dimensions: 9 1/8" H x 9 7/8" W x 1 3/16" D.