Why a Miele...
Post-motor filtration
Today many vacuum cleaners have filters positioned between the motor and the exhaust opening. This post-motor position is important for capturing fine particles that are generated by the vacuum cleaner's motor. However, if air is not directed through the post-motor filter, the filter cannot be successful at capturing fine particles.
"One can assert with absolute certainly that the Miele vacuum cleaner produces hundreds to thousand times fewer particles that the other vacuum cleaners tested."
-Magee Scientific Journal
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Miele's original Sealed System
Improperly sealed vacuum cleaners allow air to escape through various non-filtered openings. The Miele vacuum cleaner is completely sealed. Individual compartments and the system as a whole are all sealed with durable rubber. The sealed System protects against leakage and ensures proper air flow direction.
HEPA filters
Filter names such as "HEPA-like" and "micro-filtration" can be misleading. To be called HEPA, a filter must prove 99.97% effective at capturing particles 0.3 microns and larger in a test environment. But even a true HEPA filter cannot succeed at capturing these particles if it is placed in a machine that leaks. Only Miele provides a true HEPA filter with post-motor positioning in conjunction with its Sealed System. This unique combination makes Miele the only vacuum cleaner capable of capturing pratically all dangerous fine particles.
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