1'' NPT Fitting1-1/2'' Smooth Hose FittingPolished Finish
This fitting is just one of the many options to complete your 100 series pump. Features:Fits most 100 series pumps with a 1'' NPT inlet portStandard 1'' National Pipe Thread male on one end and 1.50'' diameter on the opposite end for 1-1/2'' inside diameter radiator hose.