The Drip Store's Universal Nut Lock™, drip fittings are used to connect drip tubing with varies dimensions. The Universal Nut Lock fittings can be use to connect drip tubing with .620 OD to drip tubing with .710 OD, providing a simple solution when you are not sure of the drip tubing size you have.
To connect any two sizes of poly drip tubing with .620 to .710 OD uses the following steps:
First step: Unthread the nut and slid the nut into the drip tubing side.
Second step: Push the drip tubing over the barb and then thread the nut to secure.