Pentair 17304-0100S Shaft Seal Replacement Sta-Rite Max-E-Glas/Dura-Glas-Series Inground Centrifugal Pump Shaft seal replacement Fits Pentair Max-E-Glas/Dura-Glas-Series full rate and up-rate inground centrifugal pumps Measures 3-inch length by 1-1/2-inch height by 1-1/2-inch width