HQRP HEPA Filter 4-Pack for Miele S8000 Calima Kona Cat & Dog FreshAir Alize Marin UniQ S8370 S8380 S8390 S8590 S8900 S8990 Canister Vac Vacuum Cleaner Coaster HQRP&reg; Four Active Hepa Filters plus HQRP&reg; Coaster; This filter is HEPA and retains 99.99% of particles down to 0.3 micron; The filter has a activated carbon layer to neutralize and absorb odors. 100% Compatible with Original filter; 2 weeks DOA replacement warranty!