Generic Eureka HF1 HEPA FilterThis is the Generic Eureka HF1 HEPA filter that offers superior filtration, which filters up to 99.97% of all dust particles.This Generic Eureka HF1 HEPA filter fits a variety of Eureka models, from canisters to uprights, such as, 4500, 4600, 6100, 6230, 6235, 6978, 6980, 6990 and 6993 series and many more!