... cleaning,cooling,water screen high impulse material:ss pattern:flat fan 3-piece Structure SS flat jet nozzleApplication:cleaning,cooling,water ... tanks,steels,roofs,etc.Water screen:Fire protection,heat protection,dust suppression,etc.Metal makeCeramic orifice insertedStructure3-piece structure of ... tip)SSBrass8118AC-SSVV173466/680750VV173466/680750VV173466/680750 3-piece Structure SS flat jet nozzle