Specification: Product Name : Brass Pipe Fitting Connection Type : 1/4" NPT x 1/4" NPT Male Material : Brass Color : Brass Tone Package Content : 2 x Brass Pipe Fitting Description: Hex nipple for connecting two threaded pipes or fittings . Male National Pipe Taper (NPT) threads for connecting to female threaded pipes . Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability .Brass can be connected to copper, brass, plastic, aluminum, and welded steel. Operating temperatures range from -53 to 121 degrees C (-65 to 250 degrees F) . 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.