Flo-Master HP & CP pumps are designed with a unique, high-performance impeller providing flow rates that exceed all tested competition. Ideal for larger, multi-jetted tubs or similar applications requiring greater output. Each pump is engineered with careful attention to detail and accuracy.A predecessor to the XP Series pump, the Flo-Master HPCP Series still provides Aqua-Flo by Gecko's signature high performance with a unique, high-performance impeller designed for maximum flow. In addition to being used in small to mid-size spa applications or in limited space applications, these pumps can be used in some above-ground pool and water garden applications as well.