The screening generator SG4L is part of the TELSONIC SONOSCREEN®easy range. The device is easy to operate. The SG4L can also be used for ATEX zones. Just like the other generators in the easy range, it is designed to distribute ultrasonic vibrations evenly onto the resonator and onto the screen fabric, the constant cleaning of the fabric improves screen performance. The SG4L generators are reliable entry-level models.