This automatic diesel exhaust fluid nozzle is designed for secure and efficient refueling of diesel exhaust fluid, kerosene, and gasoline. It features a 3/4" barb standard connector for compatibility with most fuel tanks and pump systems. The nozzle includes automatic shut-off to help prevent spills and an adjustable trigger lock with three-speed flow control for easier operation. Its aluminum alloy construction provides durability and corrosion resistance for frequent use. Ideal for farms, construction sites, fleets, and portable refueling applications.