EUREKA Vacuum Smart Vac HEPA 61111 (HF-2 Filter) 2 pack 2 brand new replacement True HEPA HF2 filters for: Eureka Ultra Smart Vac Models 4800 series. Replaces OEM part no: 61111, 61111A & 61111B True HEPA: filters 100% of animal dander, dust mites, most bacteria and pollens such as ragweed, grasses and plant spores Filters out 99.97% of dust down to 0.3 microns For optimum performance, change your filter every 6 months These are quality filters at great prices!