Eaton Weatherhead 402X4X4 Brass CA360 Inverted Flare Brass Fitting, 90-Degree Elbow, 1/4" NPT Male x 1/4" Tube OD 90-degree elbow for adapting NPT threads to a tubing nut at an angle Adapts 1/4" NPT male fitting to 1/4" tube OD female inverted flare Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability Compression fitting for a tight seal on rigid tubing UL Listed for quality control