for DCF21 Eureka HEPA Vacuum Filter for all Eureka and Sanitaire Air Speed Bagless Upright Vacuum Cleaners. Replaces part # 67821, 68931, 68931A, EF91, EF-91, EF-91B. Designed by Gold Line 1 x DCF-21 HEPA Filter. Washable and Reusable This filter fits Eureka vacuum cleaners: Comfort Clean 4236AZ, AirSpeed Pro All Floors Rewind Pet AS1061A, AirSpeed PET AS1008AX, AirSpeed Gold Rewind AS1048A, AirSpeed Pet AS1002A, AirSpeed Gold AS1001A, AirSpeed AS1000A, AirSpeed Rewind Pet AS1041A, AirSpeed AS1004A, WhirlWind Rewind 4242A Replaces Eureka OEM # 67821, 68931, 68931A, EF91, EF-91, EF-91B 100% satisfaction and risk-free money-back Guarantee. Hassle free return policy Designed & Engineered by Gold Line