UNI-Spray Series Spray Heads Compact and reliable spray heads for any application The UNI-Spray™ accepts all Rain Bird nozzles, including MPR, VAN and U-Series, making it an excellent choice for watering standard and irregular-shaped turf and shrub areas. For added convenience, these reliable, compact spray heads can be shipped with or without pre-installed Variable Arc Nozzles (VANs) or High Efficiency Variable Arc Nozzles (HE-VAN) that are adjustable from 0° to 360° full-circle operation, saving hours of installation time, effort, and money.