Pentair 14971-SM10E3 Stainless Steel Washer Replacement Sta-Rite MultiPort Pool and Spa Valve Washer replacement Fits Pentair Sta-Rite 1-1/2-inch and 2-inch multiport side mount pool/spa valves Also fits Pentair Sta-Rite 2-inch multiport pool and spa valves Made of stainless steel Measures 2-inch length by 1/4-inch height by 2-inch width