●The information below is per-pack only ●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.