This sprayer will give you the opportunity to use either the boom spray to cover a large area or the ability to use the spot sprayer for precision applications. Agri-Fab versatile 15 Gallon Tow Behind Sprayer’s 100 psi, 2.2 GPM diaphragm pump is designed for maximum efficiency to provide high hour application. This sprayer also comes with check valves in the boom tips to prevent siphoning and dripping which could lead to lawn spotting.