"This LiquiDynamics manual nozzle is specially designed for diesel exhaust fluid DEF. Manual nozzle delivers up to 20 GPM and includes a stainless steel 5/8in. discharge spout. Outlet Port in. 5/8, Works With Diesel exhaust fluid, Inlet Port in. 3/4, Dimensions L x W x H in. 12 1/4 x 8 1/2 x 2, Flow GPM 20, Material Type Polypropylene, stainless steel."