Dixon BLS20 Brass Hose Fitting, Long Shank Coupling, 1-1/2" NPSM Male x 1-1/2" Hose ID Barbed Coupling for connecting two hoses with the same diameter in a straight run Connects to a hose on one end and an NPSM female connector on the other Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability Rubber gasket for high elasticity and resistance to abrasion and impact forces For use with a hose clamp, crimp sleeve, or ferrule (sold separately)