Anderson Metals Brass Garden Hose Fitting, Swivel, 3/4" Female Hose ID x 1/2" Female Pipe Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability Relative softness of brass threading when compared to other metals allows for a tight seal Union connects male to male Temperature range from -32 to +140 degrees F For moderate flow water systems 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.