LifeSupplyUSA Replacement Filter Fits Honeywell 24000/24500 Air Cleaner 13350 13500 13501 13502 13503 13520 13523 13525 13526 13528 13350 50250 50251 52500 63500 83162 83259 83287 83332 24000 and 245000 HEPA Filter Designed to fit Honeywell models 13350, 13500, 13501, 13502, 13503 (EV-35B), 13520, 13523, 13525, 13526, 13528, 50250, 50251, 52500, 63500 Also fits Kenmore models 83162, 83287, 83332, 437.83259 & 83259 Dimensions 14 x 10 x 10 Inches - Replace every 8-12 months By LifeSupplyUSA