The Portacool PACCYC06 Cyclone 1000 Portable Evaporative Cooling Unit lowers temperatures up to 30-degrees Fahrenheit. This unit is made of a durable one-piece, rust-free, leak-proof molded polyethylene housing that cools up to 300-square feet of space. There is a convenient 3/4-inch water hose connection for longer running. Cool your space for a fraction of the cost of air conditioning, without any chemicals or refrigerants. Use resources effectively with the cooling unit's efficiency. You can depend on this cooling unit for the long-term as it has nearly maintenance-free operation. This unit is shipped completely assembled and is ready to operate out of the box. For over 20 years, Portacool, LLC has been the industry leader in the design and manufacturing of portable evaporative cooling units and evaporative cooling media. We specialize in evaporative cooling : HVAC and agriculture products, industrial and commercial products along with personal and residential products. Visit www. amazon. com/port-a-cool for more information on Portacool and our extensive line of products.