Pentair C105-137PDB Single Phase Impeller Assembly Replacement Sta-Rite Dura-Glas/Max-E-Glas Pool and Spa Inground Pump Single phase impeller assembly replacement Fits Pentair Sta-Rite Dura-Glas/Max-E-Glas pool and spa inground pumps Measures 5-inch length by 5-inch width by 2-inch height