Festool Main filter HF-CT MINI/MIDI-2/CT15 - (Ref: 204200) Key Features: for CT MINI, CT MINI I, CT MIDI and CT MIDI I manufactured from 2019 onwards as well as CT 15 Quick and clean filter replacement: Easy replacement of filter cartridge from outside without opening the mobile dust extractor main filter surrounded by practical plastic frame easy replacement of filter cartridge from outside without opening the mobile dust extractor Filters residual dust not retained by the filter bag so that clean air is directed back into the room