LifeSupplyUSA Replacement Filter for 21500/21600 Honeywell Air Purifier Replacement Filter Will fit models 8330c, 11500 (EV-15), 11502, 11520, 11525, 11526, 17200, 17210, 18150, 18155, 32182, 50150, 51500, 61500, 83160, 83161, 83169, and 83330 Filter seal prevents dirty air from leaking around the filter Will also fit Sears Kenmore Air Cleaner models: 833308 By LifeSupplyUSA Measures approximately 6 1/4 H x 9 1/4 ID x 14 1/2 OD.