... ,cooling 3-piece structure,high impulse Quick release industrial vee jet flat nozzleuniform distributionforcleaning,spraying,cooling3-piece ... ,high impulse3-piece Structure Standard Flat Spray NozzlesFeaturesFlat fan spray pattern with uniform distribution throughout pattern area ... :Gases,smokes,heat exchangers,tanks,steels,roofs,etc.Water screen:Fire protection,heat protection,dust suppression,etc. ...