Electrolux EL012B Electro H12 Hepa Filter (Package may vary) Change filter up to every 6 months for optimum performance Captures ninety nine percent of household dust One filter per pack Reduces allergens 0.3 microns ELECTROLUX* Harmony*, Oxygen*, Ultra Silencer* (EL6980 and EL7060 Series), Oxygen 3* (EL7000-EL7020 Series), Twin Clean* (EL7050 Series), Silent Performer* (EL4000 Series), ErgoSpace* (EL4100 Series), Maximus* (EL4200 Series), UltraActive* (EL4300-EL4320 Series), UltraFlex* (EL4330 Series), JetMaxx* (EL4040 Series), Versatility (EL4050 Series), UltraCaptic* (EL4650 Series) and UltraOne* (EL7070-EL7080 Series) Canisters and select Uprights, including Aptitude* (EL5010 Series), Oxygen 3* (EL5030 Series) and Versatility* (EL8500 Series). SANITAIRE* Quiet Clean (SC530 Series) Backpacks, Precision (SP5035 Series) Uprights, System Pro (SP5030, SP6950, SP6980, SP7020 Series) Uprights. 	EUREKA* 6140, 6933, Oxygen* (6230, 6990 series), Air Extreme* (6500 Series), Home Cleaning System (6970, 6980, 6990 Series) Whirlwind* (6510, 6980 Series), 6970-6990 Series Canisters. KENMORE* SE6981 Series Canisters.