This premium residential-grade inflatable bounce house blower by Cloud 9 is for use with outdoor bounce houses, water slides, obstacle courses, jumpers, and other inflatables. It has a 3-7/8" (outside diameter) air outlet for a universal fit, and its strong and efficient 580 watt motor produces more CFM (Cubic Feet per Minute) per watt than other blowers on the market. This unit is constructed with a durable composite housing, two ground stake holes (stakes included), and integrated protective screens that cover its air intake and outlet. It also features a recessed power switch protected by a water-proof rubber shield, and a grounded, 3-prong, 6' power cord (USA Standard, 110 - 120 volts / always use a GFCI protected outlet).