MALE ELBOW/NYLON/ Tube to Male Pipe Thread , 1/4 inch tube outside diameter, 1/4 inch pipe thread. 269N04X04NYLO-Seal Male Elbow | Fits 1/4in Tubing, 1/4in Pipe ThreadNYLO-Seal Nylon Male Elbow have excellent resistance to acids, alkalis, dilute mineral acids, most organic acids, petroleum oils an..