Includes 2 interchangeable caps that allows for 90 & 180 spraying. 90 spraying is perfect for applications that encounter obstacles such as fences or trees during the application. 180 spraying provides full coverage & is more ideal for open surfaces. Ideal use with 3.0GPM or higher volume 12volt diaphragm pumps. Composed of brass for increased wear resistance. Features a 1/2" NPT connection & includes 3/8" reducer bushing