Miele Active HEPA Filter for S4 / S5 Models : SF-AH 50

Miele vacuum filters provide the highest quality material to meet and exceed European indoor air standards. The Miele HEPA filters remove 99.99% of particles and dust from the air, down to 0.3 microns in size. These particles can include pollen, dust, mite feces, lung damaging materials, and more. Your filter should be changed after every 50 hours of operation or one full year of usage.