High-Efficiency Filtration: VINGLI sand pool filter is designed to circulate and filter pool water through the sand cylinder, returning a clean pool environment to customers. With 6 Function Controls: The pool pump filter has 6 fuctions.Filter，Rinse,Backwash,Recirculate,Wast and Closed. And easy to install, we provide detailed instructions. Low noise operation makes your work more comfortable and energy saving. Equipment Parameters: The pool pump and filter above ground is suitable for cleaning pools up to 22000gallons. It is equipped with a 1.5HP pump. The pool pump flow rate is up to 5400 gallons per hour and the outlet size of the connecting hose is 1.5in. Safe to Use: We always pay close attention to the safety standards of pool pumps. This pool pump is UL and ETL listed and meets recognized safety standards. Providing additional safety for worry free use! Applications Pool: The sand filter pool system is deal for above ground pools, hot tubs, spas, etc. If you have any questions, please feel free to contact us.