The goof plug is used to plug various sized holes on the drip tubing, drip line, or to close the end of 1/4 in. micro tubing, ¼ in or ¼ in. drip line.
How to plug or seal a hole or to stop a small leak in a drip irrigation installation: If leakage occurs at the base of a drip emitter or micro sprinkler connection to the drip tubing (or if a mistake is made using a tool punch), remove that drip emitter or barb connection, twist off a goof plug from the manifold of 10, and insert the preferred size goof plug into the drip tubing to plug the hole.
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