Nozzle body, 5 way turret style, clamps on to 1/2 inch pipe, has tab for boom clamp. Comes with EPDM(rubber) diaphragm seal, in check valve with red housing. Positive shutoff between each spray position. Comes standard with an 8 PSI diaphragm check valve that reduces restrictions in the flow path, enabling 2.6 gpm with a 5 PSI pressure drop through the nozzle. Designed to deliver the highest flow rates across the spraying pressure range.