The Miele Vacuum Cleaner Super Air Filters-S200 Series is designed for normal use and is made of multi-ply material which is electrostatically charged to retain dust particles.
It retains 99.95% of particles down to 0.5 of a micron and 94% of particles down to 0.3 of a micron.
This filter lasts as long as 5 dustbags and is included free of charge from Miele with each box of Miele certified dust bags.