Pentair PNSD0040DO1160 Sand Dollar Aboveground Filter System with Blow-Molded Tank, 1-1/2 HP Sand Dollar aboveground filter system with blow-molded tank Combination water and sand drain makes servicing and winterizing fast and easy Unionized pump to filter connection Six position 1-1/2-inch. multiport valve Measures 28-1/2-inch length by 35-inch height by 30-1/2-inch width