Whynter is going GREEN! With this new Eco-friendly CFC free, lead free and high enery efficiency portable air conditioner, you can stay cool while keeping with better environmental standards and reducing energy consumption. This Whynter GREEN ARC-143MX portable air conditioner features the ECO-FRIENDLY CFC free GREEN R-410A refrigerant and lead free RoHS compliant components. This unit features a patented advance auto-drain technology, which uses and recycles moisture collected during the cooling process to produce cool air. The dual hose operation provides fast cooling. Designed with specialized commercial applications in mind, the ARC-143MX is ideal for use with server rooms, data centers, wiring closets or any space where high efficiency cooling and low maintenance is a requisite. The unit helps to maintain optimal operating conditions by, cooling, dehumidifying and filtering the ambient air. This Whynter portable air conditioner comes with the 3M Antimicrobial High Air Flow (HAF) air filter which is designed to removes particles such as dust, pet hair and dander, antimicrobial agent helps inhibit the growth of mold and mildew, and the micro-structured electrostatically charged filtration media traps and retains particles. This enhanced air filtration system is especially important in maintaining particle-free air around the mission critical equipment. Equipped with an auto-restart function, temperature based operation and timer settings, this unit can function as either your primary or a backup cooling application. This unit can cool up to a 500 sq. ft. space (ambient temperature and humidity may influence optimum performance).