Rain Bird® R-VAN Adjustable Rotary Nozzles provide water efficiency and design flexibility. R-VAN Adjustable Rotary Nozzles feature rotating stream technology which uniformly delivers water at a low precipitation rate, significantly reducing runoff and erosion. Trusted for decades by more installers and contractors than any other brand. The nozzle is made to provide even water distribution and flexibility in design. Fits Rain Bird 4"spray bodies.