Have bought me the part, because I have a small room and it is almost constantly moist, despite airing 4 times a day. Are just only 12 square meters. I must say the Trotec dehumidifier is quite good and attracts neatly out water after a few hours my room is dry again, especially when wet laundry in the room one notices a significant difference. However, I can not work in the room, as the unit is very noisy, I turn to him and then leave the room. The plastic walls are not properly fixed, leading to a loud clatter, so there's point deduction, but otherwise it served its purpose very well.