Kapio Red Side Vision S4 Airfed Welding/Grinding SystemThe excellent ergonomics provides perfect protection of the forehead, the ears and the neck, while keeping the weight under 460g. The 4 arc sensors are associated to a very fast switching speed of 0. 2ms for a flawless detection of the welding arc, with all welding processes. With excellent 1 1 1 2 optical classes, the liquid crystals of the S4 provide a perfect vision of the fusion during welding. Inside stepless knobs allow the welder to select the