Parker A-Lok 4MRT4N-B Brass Compression Tube Fitting, Run Tee, 1/4" Tube OD x 1/4" Tube OD x 1/4" NPT Male Run tee to connect to threaded pipe on a single run end and tubing on the remaining ends Fitting connects to tubing on a run end and the branch, and has an NPT male connector on the remaining run end Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability Twin ferrule compression fitting for a leak-resistant seal in high-pressure applications For use with copper pipe and tubing