Erie Tools Pressure Washer Rotating Turbo Nozzle 4,000 PSI, 3.5 Orifice with Giant 22175 1/4" NPT x 1/4" FNPT Turbo Filter Includes Giant 22175 1/4-inch NPT x 1/4-inch FNPT Turbo Filter. Maximum Pressure: 4,000 PSI Gallons Per Minute: 3.5 Nozzle Orifice Size: 3.5 Maximum Operating Temperature: 212&deg; F