Pentair C105-137PKBA 3-Phase Impeller Assembly Replacement Sta-Rite Pool and Spa Inground Pump 3-phase impeller assembly replacement Fits Pentair Sta-Rite Max-E-Glas series pool and spa inground pump models PE6H-185L, PE6H-139LC, PE62H-139, PE6H3-185 Also fits Pentair Sta-Rite Dura-Glas series pool and spa inground pump Measures 5-1/4-inch length by 5-1/4-inch width by 2-inch height