Effluent turbine pumps from Clarus Environmental Products are available in 11 to 85 gpm capacities with heads up to 500 feet. The 26 models of pumps range from 1/2 to 3 hp and feature 1 1/4-inch (11, 19 and 27 gpm) and 2-inch discharges (35, 55 and 85 gpm). Starting boxes are not...