Pentair 262506 Top Mount Multiport Sand Filter Valves work with the Pentair Tagelus and Sand Dollar filters and connect to the opening in the top of the filter tank with a clamp. Pentair valves have a corrosion resistant PVC body with a heavy duty Noryl diverter and a large one piece handle resulting in simple operation. The six position positive lock diverter also includes a special winterizing position.