Please carefully read and follow this Installation & Operation Guide for your EZ-Flo Fertilizer Injector, 0.75-Gallon Model, before use. Total Capacity 0.75 gal/2.8L; Fertilizer (Dry) Capacity 5lb/2.3kg, (approximate); and Pressure Rating of 50 PSI (3.45 bars). Please take note of all precautions. Unit must not be installed in an irrigation main line. Normal pressure conditions are when operating line pressures does not exceed 50 PSI (3.45 bars). See diagrams for general set-up.