Sand Filter Pump The 12 inch sand filter adopts quality materials, the water pump comes with a filter basket. The 1/4 HP high-efficiency pump boasts low system costs and operates at less than 70 decibels. The 12-inch filter tank capable of holding up to fit fine silica sand size for 0.18-0.22 inch, making it convenient for users to easily fill, clean, and maintain. Efficiency Filtration The pool sand filter pump achieves high efficiency water filtration through its unique design. The internal sand filtration layer can effectively remove suspended sand and other dirt from water, ensuring that the outlet water quality meets relevant standards. 4 Way Function Controls The filter pump with basket has four different functions: filter, backwash, rinse, and winter mode can be selected, which make the operation more convenient.