This Aqua-Flo Flo-Master high performance pump is used for above ground pools as well as whirlpools, hot tubs and portable spas. It is ideal for larger, multi-jet tubs requiring more output. This specific model is 2 speed with 1 horsepower and 115 volts. Flo-Master pumps feature a high performance impeller which provides superior maximum flow rates, allowing you to use a lower HP pump to do the same job. Quick release compression fittings allow for easy installation and maintenance. Additional part number 93523353.