Blue Wave NE6156 Sand Pro 550 Sand Filter System with 1/2 HP Pump for Above Ground Pools Great replacement filter system for soft-sided pools; perfect for new pool installations Includes adapters for Intext pools, 32 mm, 40 mm, 1-1/4" & 1-1/2" hose fittings 3-position multi-port valve; Operates 110v/60 Hz 41 GPM flow rate; Holds 30 lbs of sand (not included)