Strom Model 3SF290P12-2W1 - 3” Submersible Well Pump – 10gpm, 17Stg, 1.5Hp, 115v, Single Phase, 60Hz, 2-Wire Motor ... Discharge 1-1/4", Max TDH 290' (150'@60PSI), 304 SS, Noryl impellers ... True 3" diameter including the wire guard .... Please check the performance curves to ensure that you have the correct pump for your installation and setting.