Value Plastics MTLL210-6 Natural Polypropylene Tube Fitting, Male Luer with Integral Lock Ring to 200 Series Barbed Coupler, 1/16" (1.6 mm) Tube ID (Pack of 25) Coupler with angled barbs for connecting pipes or tubing in a straight run Fitting has a male luer lock on one end and a barbed connector on the other Polypropylene for chemical resistance and dimensional stability Luer lock with integral ring for secured, leak-free connection; Barb lacks parting lines, ensuring a leak-free union with tubing Meets ROHS standards for quality assurance