The General Pump YRL56L is a Spray Gun/Lance Combination that has an Operating gpm of 8.0 and has a Rated psi of 5,100. This model has a 42" Lance and its Maximum psi is 8.0 gpm. Its Inlet size is 3/8" NPT-F and its Outlet size is 1/4" NPT-F. Its maximum temperature is 320° F and its shipping weight is 3.3 lbs.