The Miele SF-SAC 20 SF-SAC 30 Super Air Clean Filter prevents 97.95% of particles as small as 0.5 micron and 94% of particles as small as 0.3 micron from escaping into your inside air through the vacuum exhaust. 

Each filter can last through as many as 4 dustbags.

Super Air Clean Filter is designed to be used with Miele Models, 

S240 / S250 / S290 / S300 / S400 / S500 / S600 / S2000 / S4000 / S5000 / S6000 / S7000 / S8000 Series; 

All Miele C series Classic C1 C2 C3

3 x Motor Filter

3 x Super Air Clean Filter

To Fit Miele Vacuum Cleaners