HQRP Active Filter fits Miele AH 30 / SF-AH30 / 7226160/4854916 / 4306919 Replacement fits S2 S7 S2000 S7000 series Canister/Upright Vacuum Cleaners airclean SF-AA30 Coaster HQRP&reg; Active Filter plus HQRP&reg; Coaster; This Active filter retains 99.97% of particles down to 0.3 micron. 100% Compatible with Original filter; 2 weeks DOA replacement warranty!