Strongest made gun in its class. Takes the heat and abuse! Easy access to replace cartridge valve. Stainless steel spring, needle, ball and seat. Unitized valve for easy repair. Forged brass housing for maximum strength. 5000 PSI maximum 300 F. maximum 10.4 GPM maximum Inlet: 3/8" FNPT Outlet: 1/4" FNPT Weight: 26 oz