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.
Combines two Super Air Clean filters with a thick layer of Activated Charcoal to provide heavy duty trapping of unpleasant odors The completely sealed systems in Miele S142 to S168 Universal and Little Giant Uprights, when equipped with this exhaust filter, will provide outstanding filtration plus excellant odor control .
Genuine Miele Vacuum Cleaner Active Air Clean Filter