Mister Landscaper MLD-.5PC .5 GPH Pressure Compensating Dripper with Coupler (4 Quantity) Made in the USA Install these drippers directly into the 1/2-in poly Tubing by first snapping a hole using either of our punch tools (mla-51 or mla-tool) Our 1/4-in support stakes (mlt-dst) can be used to securely hold the 1/4-in vinyl Tubing and 5 GPH dripper near the plant Also use our 1/4-in tees and elbows (mlt-ate) to run the 1/4-in vinyl Tubing in opposing directions or in tight corners