Eaton Weatherhead 1065X4 Brass CA360 Mini-Barb Brass Fitting, Union Elbow, 1/4" Tube OD (Pack of 10) Joins two 1/4" OD plastic tubes at a 90-degree angle Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability For use in low-pressure air, coolant, and vacuum applications