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½ inch NPT Male to ¼ inch NPT Female
Hex-Type Bushing Fitting
Premium Brass Construction
Maximum Strength and Durability
Vixen Horns 1 2 NPT Male to 1 4 NPT Female Brass Thread Reducer Fitting for Train Air Horn Tanks - Bundle of Two Fittings VXA1214-2 B01CBUEFOS