A Barbed Tubing Elbow is used to connect two pieces of low pressure poly tubing of the same size to make 90° turns.Quality barbed fittings provide high retention in low-pressure poly tubing for long-term reliability of connections. The acetal fittings can be confidently installed without clamps when matched with our quality low-pressure poly tubing with corresponding dimensions. Compatible with 1/2" poly tubing (.600" ID, .700" OD)