With the wet filter, water and fluids can be suctioned with the mobile dust extractor without difficulty. It is easily exchanged for the main filter. This enables work to be carried out efficiently and cleanly in the system and reduces hazards to health. Quick and clean filter replacement: Easy replacement of filter cartridge from outside without opening the mobile dust extractor for wet extraction wet filter surrounded by practical plastic frame for CT MINI, CT MINI I, CT MIDI and CT MIDI I manufactured from 2019 onwards, CTC MINI/MIDI and CT 15 and CT 25