Challenger High Flow Pump, Standard Efficiency Single Speed Up Rated - CFII-N1-1-1/2A 115/230 16.0/7.8 - 8.0 1.5 1.10 Challenger® pumps are designed specifically for applications requiring higher pressure operation to feed multiple needs beyond swimming pool water circulation, such as spa jets, in-floor cleaning systems and water features like waterfalls and fountains. Plus, they provide all that power while remaining highly efficient and delivering years of unattended performance. Features: 2-speed Challenger® pump models are now ENERGY STAR® Certified: meets strict energy efficiency criteria set by the U.S. Environmental Protection Agency and the U.S. Department of Energy. Standard 2 in. suction and discharge ports permit maximum operating efficiency Extra-large strainer basket Transparent strainer pot lid with comfortable handle provides easy access to strainer basket One-bolt stainless steel clamp removes easily to provide quick access for service Anti-spin-off impeller Dry end can easily be removed for service or winterizing without disturbing piping or pump support base No tool required for removing thumbscrew drain plugs for draining and winterizing Internal components and 2 in. ports provide rapid priming and quiet operation