These compression fittings are made of high quality brass, connects to copper, brass, aluminum, or plastic tubing. It is made of brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability. This fitting does not require a flaring tool for assembly. It has an operating temperature range of -65 to +250 °F and is suitable for use with your water plumbing system. ⚠ California Proposition 65 Warning: This product is known to the state of California to cause cancer, or other reproductive harm. For more information, go to .
