The completely sealed system in the Miele S142 to S168 Little Giant and Universal Uprights, when equipped with a Certified HEPA Filter, will retain 99.97% of pollens, household dust, dust mite droppings and other allergens as small as 0.3 ?m in size. This filter is highly recommended for those who have dust related allergies or asthma.
Since Miele has replaced this filter with an improved one, please see our list Current Miele Filters.