Anderson Metals 57001-0402 Brass Hose Fitting, Adapter, 1/4" Barb x 1/8" NPT Male Pipe Adapter for connecting a hose to a male threaded connection of a different diameter Hose barb on one end and male NPT threads on the other Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability Barbed fitting for a tight seal on hoses and NPT threads for a tighter seal than straight threads 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.