Sta-Rite 18201-0200 ABS 6-Position Multiport Valve, 2 Inch Valve Port with Piping, Union Connection Design Valve kit mp sm 2" w/union Wc212-150pn sand/de Make your pool more exciting, energy efficient, convenient and more fun 6-Position multiport valve replacement Fits Pentair Sta-Rite System 3 SD and SS-Series pool/spa D.E. filters Also fits Pentair Slide valves ABS slide valves/multiport valves and 1-1/2 and 2-inch multiport side mount valves Includes union connections 2-inch valve port Made of acrylonitrile butadiene styrene (ABS)