High pressure filter. The new Pulsotronic filter is developed from research and experience of Coral s.p.a. This modern high pressure and highly efficient unit has been designed for the extraction of dusts deriving from dry sanding base coats and stuccoworks, composite materials, stone and marble machining and grinding of metals. It can be used for centralised plants; its modularity allows great versatility in use, offering a solution to any requirement. For maximum operational efficiency, the Pulsotronic unit is fitted with a very modern compressed air cleaning system, managed by a state-of-the-art electronic control unit that can autonomously modify its own settings on the basis of clogging of the filtering cartridges. This allows optimisation of the consumption of compressed air, lower mechanical stress of the filtering fabrics and therefore a lower life cycle cost. The system also offers the opportunity to view the clogging of filters, as per standard