... Cone Materials:SS303/304/316,Brass,Telflon,PP,POM,PVDF,Ceramic Best Quality make by machinematerial:Stainless steelIDST best quality Spiral ... /min)Materials:SS303,SS304,SS316,Brass,Telflon,PP,POM,PVDF,Ceramic,etc.Design:High energy efficiency One-piece/no internal parts Clog ... cone spiral nozzle,hollow cone spiral nozzle, SS spiral nozzles,ceramic spiral nozzle Machined Spiral Jet Nozzles