Miele's Active AirClean filters feature an active charcoal layer to neutralize and absorb odors. Once activated, a TimeStrip® releases a red line of liquid over the course of one year, reminding users when it's time to replace their filter. For S4000/S5000/S6000/S8000 Compact Series, Complete Series canisters.
Suitable for the following Miele vacuum cleaners:
S4 series, S5 series, S6 series, S8 series, Compact Series, Complete Series