SMC KQ Series Brass Push-to-Connect Tube Fitting, Plug in Elbow, 1/2" Tube OD, Black Elbow with plug-in connector for connecting two pipes or fittings at an angle Accepts nylon and polyurethane tube fittings Made of brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability Working pressure of up to 145 psi Operating temperature ranges from -5 to 60 degrees C This product is not intended for use in potable water systems