Rotating Sewer Nozzle Nozzle Size 4.5 Max Pressure 3600 psi Inlet 1/4 in (F)NPT Material Brass/Stainless Steel GPM 800 PSI 2.01 GPM 1000 PSI 2.25 GPM 1500 PSI 2.76 GPM 2000 PSI 3.18 GPM 2500 PSI 3.56 GPM 3000 PSI 3.9 GPM 3500 PSI 4.21 GPM 4000 PSI 4.5 GPM 5000 PSI 5.03 Includes -WARNING:: California ResidentsThis product can expose you to chemicals including Styrene, which is known to the State of California to cause cancer and birth defects or other reproductive harm.