... spraying,cooling 3-piece structure,high impulse Quick release industrial vee jet flat nozzleuniform distributionforcleaning,spraying,cooling3-piece structure ... boxes,films,felts,filters,screens,bottles,gravels,stones,sand,metal parts,steel plates,machines,etc.Spraying:Photo-etchants, ... steel 303); Optional material:S316 or othersSpray orifice:Ceramics;Metal Parts:B(Brass) or S303(Stainless steel 303); ...