Bell & Gossett bronze impeller, with a 4-1/2" outside diameter, for B&G Series 60 pumps sizes 605S and 605T in both iron and bronze. Impellers are installed on the end of the pump shaft, which spins the impeller in turn pumping water, or other liquid, throughout your system.Used On:172702MF Series 60 602S Inline Pump 1/3HP 1750 115/208-230/1/60172708MF Series 60 605S Inline Pump 1/3HP 1750 115/208-230/1/60172726MF Series 60 602T Inline Pump 1/3HP 1750 208-230/460/3/60172732MF Series 60 605T Inline Pump 1/3HP 1750 208-230/460/3/60172705MF Series 60 B602S Inline Pump 1/3HP 1750 115/208-230/1/60172710MF Series 60 B605S Inline Pump 1/3HP 1750 115/208-230/1/60172729MF Series 60 B602T Inline Pump 1/3HP 1750 208-230/460/3/60172735MF Series 60 B605T Inline Pump 1/3HP 1750 208-230/460/3/60