Spray Water Nozzle in full cone and hollow cone spraying ,ideal for firefighting,cooling tower system.Large flowrate,spray angle Spiral Spray Water Nozzles Features: 1) Size (inlet connection): 1/4", 3/8", 1/2", 3/4", 1", 1-1/2", 2", 3", 4"2) Material: Teflon ,stainless 303,stainless316,POM,PP for chosen.3) NPT or BSPT male thread4)Full cone spray pattern and hollow spraying in large spray angles ...