XL10-18S-1 is a 18000 CMH Centrifugal Commercial Evaporative Cooler which can be used for all kinds of indoor/outdoor locations. This model uses a 1.5KW centrifugal fan motor, and it brings you a powerful wind of 18000 CMH, 12 speeds. Using industrial leading 5090 cooling pad, provide you with industrial leading cooling performance, quite.