HEPA ACTIVE AIR FILTER
Conforms toEuropean standard EN 1822 HEPA Classification 12 for filtersystems.Traps particles as small as 0.3 of a micron such as dust mitefaeces and tobacco smoke to help create a more comfortableenvironment for allergy sufferers. It also incorporates a charcoalfilter to absorb odours from the Miele dustbag (which isparticularly useful if you are vacuuming up pet hair) and has alife of 50 hours or approx.12 months