Filtering unit with sleeves having electromechanical shaking cleaning system. It has a modular structure, that can be extended by adding elements, without any replacement of components. They consist of 1 to 4 modules and in two different heights of the filtering unit. The sleeve cleaning system is carried out by means of a vibrator attached to the sleeve holder frame. Cleaning must be carried out only when the suction is switched off; the frequency of cleaning operations varies according to the type and particle size of the extracted dust. The collection system is made of plastic bags, 4 each module. The hopper with big-bag discharge can be used as an option for each module. It is designed and built under ISO 9001 quality control, within the IMAS plants, with 1.5 / 2 mm galvanized sheet panels (DX 51 D Z200). They are offered in an open version, with visible sleeves for indoor use, or in version "C" for outdoor installation and for operation under pressure. They also contain a connection attachment for the venting of each module. As an optional, there are components that allow the installation in zone 22 and the treatment of explosive dusts, class ST1 kst 200.