1/2" Univ Coupler

1/2", Universal Coupler, Works With All Brands Of 1/2" Distribution Tubing, .620" & .710" Diameter, Unique Cinch Down Design, Reusable, Connects All Major Brands Of 1/2" Distribution Tubing, To Connect, Slide Tubing Over The Insert & Hand Twist The Outer Nut To Lock The Tubing On The Fitting .