Fits Electrolux Harmony, Oxygen, Ultra Silencer (EL6980 and EL7060 Series), Oxygen 3 (EL7000-EL7020 Series), Twin Clean (EL7050 Series), Silent Performer (EL4000 Series), Ergo Space (EL4 Series), Maximus (EL4200 Series), Ultra Active (EL4300-EL4320 Series), Ultra Flex (EL4330 Series), JetMaxx (EL4040 Series), Versatility (EL4050 Series), UltraCaptic (EL4650 Series) and Ultra One (EL7070-EL7080 Series) Canisters and select Uprights, including Aptitude (EL5010 Series), Oxygen 3 (EL5030 Series) and Versatility (EL8500 Series). Fits Sanitaire Quiet Clean (SC530 Series) Backpacks, Precision (SP5035 Series) Uprights, System Pro (SP5030, SP6950, SP6980, SP7020 Series) Uprights. Fits 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. Fits Kenmore SE6981 Series Canisters. Brands and trademarks are the property of their respective owners.