High efficiency allergen vacuum filters. The media in these filters help trap 99.97% of all airborne pollutants 0.3 microns or larger, including mold spores, pet dander, grass, ragweed pollen, and other microscopic allergens. Fits models: Eureka 2270 series; Contour Maxima and Powerline (2900 to 2920 series); EZ Kleen, SurfaceMax, 200 and 300 (2940, 2960, 2970 series) and select Whirlwind, Whirlwind Plus, Pet Lover, Pet Expert and Clean Living (3270 and 3280 series) uprights.