boeray 2pcs brass fitting, 90 degree barstock street elbow, 1/4" npt male pipe to 1/4" npt female pipe transkoot boeray 2pcs brass fitting, 90 degree barstock street elbow, 1/4" npt male pipe, 1/4" npt female pipe<br> <br>specification:hose tube fittings connect, control, change the direction of, and terminate the flow in piping and hose systems.<br>they are made of brass, stainless steel, galvanized steel, and other materials that resist corrosion, pressure, and wear.<br>hose fittings have various types of connections, including threaded, barbed, push-to-connect, dry disconnect, and others including those based on internationally-accepted specifications.<br>hose fittings are used in systems such as air compressors, automatic manufacturing operations, aircraft controls, and tire installation in industries including agriculture, mining, road construction, firefighting, and aviation.