020 GPH, Adjustable, 6 Outlet, Retrofit Drip Head, With 12 Female Pipe Thread, Use To Convert An Existing 12 Sprinkler Riser To A 6 Outlet Drip Zone, Each Outlet May Be Adjusted By Turning The Knob Under The Drip Head To Increase Or Decrease The Flow, Extend 14 Micro Tubing From The Drip Head To Plants Secure The Micro Tubing With A 14 Stake May Be Used With Other Drippers Or With 14 Laser Drilled Soaker Hose