XZ10-30S-1 is a 30000cmh Industrial Air Cooler For Workshop Rooftop Industrial Air Cooler Duct Air Cooler which could be used for all kinds of indoor/outdoor applications. It uses a pure copper wiring 3.0KW fan motor, brings you a powerful wind of 30000 CMH, 12 speeds. Big size 5090 cooling pads, industrial leading cooling performance.