EXPERT 100I Smart and the most powerful metal cooler in the expert series which is an ideal option to cool large areas with lesser space for the installation. It comes with a powerful 18″ fan, large pad area & heavy-duty motor which can cool down large areas in a very short span of time. Designed to install in the window it has a massive air delivery of up to 60 feet. It's loaded with some advanced features like an auto water drain and inlet, auto swing louvers and RoHs Approved Cooling media This metal air cooler offers you the most comprehensive fresh chilled air for large areas.