... ,films,felts,filters,screens,bottles,gravels,stones,sand,metal parts,steel plates,machines,etc.Spraying:Photo-etchants,oils,lubricants, ... makeCeramic orifice insertedStructure3-piece structure of metal make; Comprises three parts: spray tip,cap and adaptor,and worn spray tip ... 303); Optional material:S316 or othersSpray orifice:Ceramics;Metal Parts:B(Brass) or S303(Stainless steel 303);CERTIIM’s ...