The electrostatic precipitator filter “CLEANING NO-SMOKE/E” is a purifying unit designed for use in numerous applications for the treatment of industrial pollution. It is especially in demand for its compact assembly which maintains the internal geometry of the frame within the limits imposed by its operation. With consolidated solutions that include quick and easy maintenance, installation on a standard frame, the filtering unit “CLEANING NO-SMOKE/E” is especially flexible to use. Application: welding smoke, gases and fumes in general, vehicle emissions that cause pollution.