The Vevor oxygen barrier PEX tubing is a 1/2" x 500' red EVOH PEX-B coil designed for radiant floor heating, plumbing, and hydronic system applications. Its oxygen-barrier construction helps protect metal components from corrosion and supports long service life. The tubing is flexible for easier installation across a variety of floor types and connection systems. It is built to handle both hot and cold water flow with crack-resistant, leak-proof PEX material. This coil is suited for residential and commercial use.