Air Induction Flat Spray Tips are designed with a tapered flat spray angle with air induction technology offering better drift control with larger drops. Depending on the chemical, produces large air-filled drops with the use of a Venturi air aspirator. The best nozzle for pre-emergent surface applied herbicides at a minimum pressure of 40 psi or for Post-Emergent contact herbicides at pressures of 80 psi or higher. Ideal for turf grass. Use RTJ25598-*-NYR Quick TeeJet cap and gasket, sold separately. Nozzle spacing 20 in - 30 in.. Pressure ranges from 30-100 psi.