Wall fan, the light version of industrial wall fans, and also the least expensive. The grille wires are thin and less durable than the premium version, but they are still good for prolonged normal use in industrial applications. It has manual control only via a switch with oscillation function. Specifications: voltage 220 V/50 Hz, power 100 W, blade diameter 650 mm (26 inches), overall diameter 700 mm, speeds 3, control: local three-speed selector switch.