One-bolt stainless steel clamp removes easily to provide quick access for any required service Extra-large strainer basket extends time between cleanings Standard 2 in. suction and discharge ports permit maximum operating efficiency Challenger® High Pressure Pumps are designed specifically for applications requiring higher pressure operation to feed multiple needs beyond pool water circulation, such as spa jets, in-floor cleaning systems, and decorative water features like waterfalls and fountains. Plus, they provide all that power while remaining highly efficient and delivering years of unattended performance. Pump components are custom molded thermoplastic for superior strength and durability. Features: Standard 2 in. suction and discharge ports permit maximum operating efficiency. Unique diffuser and impeller provide excellent high pressure performance for all types of demanding installations. Anti-spin-off impeller. Power 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 are designed to provide rapid priming and quiet operation One-bolt stainless steel clamp removes easily to provide quick access for any required service Extra-large strainer basket extends time between cleanings