3M Filtrete Eureka HF-10 Ultra Allergen Vacuum Filter - 1 filter Fits vacuum models EUREKA* Capture* and InReach* (8800, 8810 Series), Capture* Plus (8850 Series), Complete Clean* (8860 Series) and Pet Lover Plus* (8870 Series) Uprights. Ultra Allergen filters help trap 99% of airborne pollutants 1 micron or larger including household dust, dust mite debris, grass and ragweed. Vacuum Filters should be replaced every 30 to 60 days for optimium performance. All vacuum brand and model names are registered trademarks of vacuum manufacturers.