Tube-to-tube connectors and fittings in sizes ranging from 1/16" (1.6 mm) to 1/2" (12.7mm) ID in over 100 separate configurations. Available styles include straight connectors, elbows, tees, crosses, Ys, multi-port connectors and multiple straight, elbow and tee reducer combinations. Barbed fittings come in a variety of styles to fit your application.