Anderson Metals Brass Tube Fitting, Half-Union, 3/8" Flare x 1/8" Male Pipe Half union for connecting and disconnecting two tubes more easily than with a coupling 45-degree flare head tube connection on one side and a male NPT connection on the other Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability Operating temperature range of -65 to +250 degrees F Resists mechanical pullout for a more secure connection These fittings contain lead and are not allowed by federal law to be installed for potable water use in the U.S.A. and its territories.