CIPU 12inch Sand Pool Filter Tank System with 4-Way Valve Easy to Install for Above Ground Swimming Pools

["12” Sand Filter-This replacement unit fits most standard systems. Compatible with pool pump to create a complete filtration system. Built for durability with heavy-duty construction, it delivers reliable performance season after season, so you can spend less time maintaining and more time enjoying crystal-clear water.","4-Way Valve-This valve offers precise control over your filtration system with four functions. FILTRATION: Set valve to filter from normal filtering. BACKWASH: For cleaning filter. RINSE: After backwashing, with pump off, set valve to rinse. WINTER: Valve position for a winterized filter.","Easy to Use-Includes 3 hose adapters for universal compatibility with 1-1/4\" or 1-1/2\" pool hoses. Supports both sand and filter balls as media options.","Maintain your sand filter easily-Backwash weekly until water runs clear, replace the sand and gravel regularly, and check pressure monthly. Quick care ensures clean water and long filter life.","Worry-free warranty-We provide a 12 months worry-free guarantee after the date of purchase. Ensure worry free products and enjoy the fun of swimming pools."]