The TRI-FLO™ spray stick is specifically designed to water container grown plants. It can be used for residential use and for full scale commercial nurseries. It gives a gentle 90° or 160° fan spray with an adjustable throw. Each TRI-FLO™ spray stick has three watering nodes - a high flow, medium flow and a low flow. Simply insert the feeder tubing (A185) over a node to achieve the ideal discharge rate. The TFS 9 (color-coded blue) has a 90 deg pattern