HQRP HEPA Filter 4-Pack for Miele S624 S658 Canister, S7210 S7260 S7280 S7580 S768 Upright Vac Vacuum Cleaner Coaster HQRP&reg; Four Filters plus HQRP&reg; Coaster; This Active filter is HEPA and retains 99.97% of particles down to 0.3 micron. The filter has a activated carbon layer to neutralize and absorb odors. Compatible with Original filter; 2 weeks DOA replacement warranty!