Eureka 60285F Style "HF-9" HEPA Vacuum Filter with Arm & Hammer inside EUREKA style HF9 HEPA filter, with arm & hammer inside, used on 4300, 4400, S4180, Sc4500, 4600, 5180, 5190 series Uprights Adds Extra shine to your product Manufactured in China Eureka HEPA vacuum filters help capture 99.97% of all airborne pollutants 0.3 microns or larger, including mold spores, pet dander, grass and ragweed pollen and other microscopic allergens. Change filter every 6 months for optimum performance