Mainline Coupling
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Mainline Coupling


Use the Mainline Coupling to connect two ends of 5/8″ Mainline Tubing in a drip irrigation system. Great for extending the length of a section of mainline tubing or joining two pieces of scrap mainline tubing.


The Mainline Coupling is used to join two linear sections of 5/8" Mainline Tubing in your drip irrigation system. Maybe you need to extend the length of your mainline tubing to add more rows to a crop or add more rows on the end of a plot? Or maybe you have several scrap pieces of mainline tubing laying around that you want to utilize by connecting them all together? This Mainline Coupling works perfect for either scenario.

Mainline Coupling Features

This drip irrigation coupling is easy to install and guaranteed to hold it's seal throughout the duration of usage. The Ring-Loc feature on these couplings ensures that the mainline tubing will remain attached to the tubing without any leakage occurring. To install, easily slide the 5/8" Mainline Tubing onto the fitting until the barbs on the ring "lock" in place.