The Filtrete 67826-4 is the correct replacement filter for the following:
The Filtrete 67826 - Eureka EF-6 HEPA Vacuum Filteris a replacement HEPA vacuum filter for the Eureka Airspeed AS1000 Series Upright. This Eureka vacuum filter captures 99.97% of airborne contaminants, including mold spores, pet dander, grass, and ragweed pollen, as small as 0.3 microns. This Eureka HEPA filter features electrostatically charged fibers within its media to attract particulates.
Filtrete 67826 - Eureka EF-6 HEPA Vacuum Filter specifications: