Netafim Yellow Spray Stake On/Off Nipple Feature. Uses 0.125" ID Micro Tubing. Flow rate 3 GPH (0.06 GPM). Radius 12-16" 160 degree pattern 4.75" tall 1 to 5 gallon pot. Used in nursery pot and container yards to provide good irrigated coverage of the root area while preventing overspray and wasted water.