... filtration,good quality,reasonable price,more materials for chosen. SPJT stainless spiral jet nozzle produce a solid cone and hollow cone ... have many materials for choosen ,such as PP, telfon,stainless 303,stainless 316 and so on.Below details of spiral nozzle models ... WITH YOU, CUSTOMERS ALL OVER THE WORLD ARE HIGHLY WELCOMED! Stainless steel Sprial nozzle,spiral spray nozzle