... angle.Avliable material are in brass, 316 stainless steel and TEFLON for 1/4 to 4 inch inlet connection sizes.Specificationscooling ... tower spiral nozzle features:1) Material: PP, SS, Brass and Teflon, more materials for choice;2) Spray Pattern: Solid cone and ... ! Spiral spray nozzle,cooling tower spiral nozzle,PP/SS/BRASS/TEFLON spiral nozzle