This sand filter system is designed to keep pool water clean and clear with steady filtration for fine debris and suspended particles. Its 50 GPM flow rate supports smooth circulation, while the 7-way multi-port valve offers flexible operating modes for routine cleaning and maintenance. The corrosion-resistant PE construction is built to handle outdoor conditions for long-term use. With 1-1/2" inlet and outlet fittings, it is made for straightforward installation on above-ground and in-ground pools.