Amazon.com - HASMX Hepa Filter Replacement for Electrolux Vacuum Cleaner EL4021A EL4040A EL4042A EL4050B EL4100A EL4101A EL4103A, Replaces Part Numbers EL012, EL012A, S-filter HEPA Vacuum Filter, Green (2-Pack)
LifeSupplyUSA 6.88 in. x 4.75 in. x 3.31 in. Replacement HEPA Filters for Electrolux Lux Aerus Guardian Epic 8000/9000 Vacuum Cleaners ER213 - The Home Depot