Electrolux Series El500 Series Air Filter Aftermarket Hepa Filter Package Replacement Electrolux Non-OEM EL500 HEPA H13 Air Filter and Two Carbon Pre-filters, made by GoodVac. Designed to fit Electrolux EL500 series Air Cleaners and Purifiers. Replaces OEM part numbers: EL022, EL024, 81769, 15910, 62581, 79150 HEPA Filter Dimensions: 17.25" x 14.5" x 1.25" H13 HEPA Filtration filters 99.95% of particles 0.3 microns or larger, filters out dust, allergens, pollen and air pollutants. Recommended to change every 1 to 3 years depending on use.