*Product May Be Subject To Extended Lead Times. Built for greater performance, the UltraZap 750W Self-Priming Pump is suited for medium to large koi ponds requiring strong water movement and dependable oxygenation. This pump features a self-priming design that simplifies startup and maintenance while delivering consistent flow rates for optimal filtration. Its rugged construction withstands outdoor conditions, and its energy-efficient motor ensures effective operation without excessive power consumption. Whether you’re upgrading an existing system or building a new pond, this pump provides the power and reliability you need.