UniDose’s [ UD ] Chemical Feed Pump is designed to pump Chlorine (Bleach), Rust Removers (Inhibitors), and other chemicals into Well Water and Irrigation systems. The pump can be adjusted from [ 1 to 24 Gallons per Day (GPD) ] up to a Max Pressure of [ 80 PSI ]. Universal power supply with US 230V power cord. Manufactured by LMI. Replaces all legacy UniDose U Pump Models (e.g. U042-281TT, U142-281TT, etc.)