XtremepowerUS 16-Inch Sand Filter For Inground / Above Ground pools, 16" Sand Filter Tank Water Features (Fish Ponds, Fountains, Water Gardens) Flange Clamp Design Allows 360 Degree Rotation of Valve to Simplify Plumbing 7 Position Vari-Flo Control Valve Max Filter: 21,000 Gallons Per Day (10 hr)