Plastic Sprinkler For Irrigation In Windy Conditions. 20mm Male Sprinkler With A 4.5mm Brown Base Nozzle And Plug. For General Field Use, With Solid Irrigation Systems. Unique Hammer Combined With Sd (Super Diffuser) Plate Designed For Uniform Distribution With Single Or Dual Nozzles. *High Water Distribution With Spacing Up To 20m. *High Impact Heavy Duty Plastic Material Provide Resistance To Corrosion, Chemicals And Uv Radiation.