Compatibility: Compatible with Kenmore 83187 filters. Air Quality Improvement: Filtration is rated H13 and removes up to 99.97% of airborne particles as small as 0.3 microns in size including dust, smoke, pollen, pet hair and dander, and more. Maintenance: Recommended to change this filter once every six (6) months under normal conditions, and more often under harsh air conditions. Replacement Quantity: Each package contains one (1) replacement filter. Approximate Measurements: Each filter measures 9.75 x 9.25 x 1 inches. Filter-Monster branded replacement for Kenmore 83187 filter removes smoke, dust, pollen, pet dander, and more from the air.