... carbon pre-filter 5. Tio2 removes odorsFeatures*Home air purifier with multi-stages cleanings:Active carbon pre-filter, ... -filter traps larger particles and pollutants in the air and protect other filters*Cleanable or uncleanable/HEPA- ... highly effective against dust and bacteria*Three operation modes: High, Med, low.*Electronic switch with LED*With timer ... 2 525 1,110 1,260 Home air purifier 9019E