Save water and energy while reducing chemical consumption with Rain Bird S5 Pressure Compensating Heavywall Dripline, the ultimate in smart irrigation. The “S” in S5 stands for “Smart Spacing.” Smart Spacing allows growers to specify repeating patterns of variable spacing between emitters to deliver water to plants and not the areas between. S5 Dripline uses Rain Bird’s proven Agricultural GritX™ self-Flushing emitter that features precise and accurate flow rates.