Turbo Rotary Spray Nozzle Nozzle Size 4 Max Pressure 3 625 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