Enzotech G1/4" to 3/8" ID, 5/8" OD Compression Fitting for Soft Tubing, 90&deg; Rotary, Black 90 Degree Angle with Rotary Swivel G1/4" Threads with 3 Different UV-Reactive O-Rings Black Finish For Tubing with 3/8" Inner Diameter and 5/8" Outer Diameter