This non-submersible, centrifugal pump is Ideal for koi ponds, external filters and low head waterfalls. Continuous duty, weatherproof motors can be used outdoors without additional protection from weather. Super quiet operation. 8' power cord included. Not self-priming. Use in flooded suction applications or with check valve on suction line to maintain prime. Has dual voltage motor. Pumps are shipped 115 volts but can easily be field changed to 230 volts. Max 3600 GPH. 2" Inlet, 1 1/2" Outlet. 52 GPM at 5' Head, 34 GPM at 10' Head. Maximum head: 12'. 18 Month Limited Manufacturer's Warranty.