ELETROLUX AERUS STYLE P MEDILCEAN LIFETIME HEPA FILTERDescription The Genuine Aerus Lux Guardian Platinum Canister Vacuum True HEPA Filter significantly improves indoor air quality by trapping and retaining 99. 97% of allergens and other airborne particles as small as 0. 3 micron. Included is an Aerus high porosity, activated charcoal Carbon Pre filter that effectively reduces odors and moisture. This pre filter is specifically designed for use on the Aerus Lux Guardian Platinum Canister Vacuum.