Proflow Brass Union, 1/8npt to 1/2unf Inverted Flare Fitting, Suits Most 5/16 Hard Line, Fuel Lines, Transmission Cooler Pipes, Each

This brass union can be a difficult component to find,....sent your radiator away for a changeover but forgot to remove the unions? 1/8npt to 1/2unf Inverted Flare Fitting ( suits most factory 5/16 hard lines used for popular fuel pumps and also transmission cooler pipes into radiator tank