Description 42-gallon water capacity (155.2 liters) One-piece housing 3,900 CFM cools up to 900 sq. ft. (84 m2) Sight glass and drain New pump shut off switch available New heavy-duty poly-on-poly casters Cord management Lowers temperatures 15-25_ F (12 C) Easy operation Made in the U.S.A. Three Speed Air Delivery CFM: 2,500 / 3,300 / 3,900 Fan Motor:1/2 h.p. / 110v / 3.4 amp Pump: 1/70 h.p. / 115v / 0.92 amp Water reservoir: 42 gallons (155.2 liters) Dimensions: 59?h x 37.5?w x 23?d Unit weight: 130 lbs. (50 kg) Box Size: 59.5?h x 38?w x 25?d Cooling Capacity: 900 sq. ft. (84 m2) Free Float Switch Kit Accessory :Turns water pump on and off automatically, prevents run-dry pump damage, quick and easy to install