Pentair 273062 O-Ring Replacement Pool/Spa Pump and Valve O-ring replacement Fits Pentair Sta-Rite Dynamo pool and spa pumps Also fits Pentair Push Pull, Slide pool and spa valves models 50290211, 263064, 263052, 263053, 263078, 263079 Also compatible with Pentair 2-inch PVC Slide pool and spa multiport valve models 261047, 261165 Measures 2-1/2-inch length by 2-1/2-inch height by 1/4-inch width