Turbo Rotary Spray Nozzle, Nozzle Size 4, Max. Pressure 5,075 psi, Max. Fluid Temp. 195 Degrees F, Inlet 1/4 in (F)NPT, Material Solid Brass Body with Ceramic Orifice, Orifice Size 1.3 mm, Nozzle Spray Angle 15 Degrees , GPM @ 800 PSI 1.79 gpm, GPM @ 1000 PSI 2.02 gpm, GPM @ 1500 PSI 2.52 gpm, GPM @ 2000 PSI 2.93 gpm, GPM @ 2500 PSI 3.3 gpm, GPM @ 3000 PSI 3.59 gpm, GPM @ 3500 PSI 3.89 gpm, GPM @ 4000 PSI 4.17 gpm, GPM @ 5000 PSI 4.39 gpm, Includes -