Anderson Metals 750068-0404 Pipe Connector, 1/4 in, Compression x Male, Brass, 300 psi Pressure

three-piece construction, nut, sleeve and body with attached insert. Use with copper, brass, aluminum or plastic tubing. -65 to 250 deg F temperature range. Easy-to disassemble, no flaring tool required. Primary uses water, gasoline, oil and vacuum lines.