PEXB Pipe 2 rolls 1/2 inch x 100 feet non-oxygen barrier type - Radiant heat floor heating pipe Cold 63223951This professional grade PEX B pipe kit includes two 100 foot lengths of versatile 1 2 inch tubing perfect for both hot and cold water applications. The pipe features precise dimensions with a 0. 625 inch outer diameter and 0. 485 inch inner diameter, complete with clear parameter markings for easy identification. Built to withstand extreme temperatures from 40F to 203F, this tubing excels in both freezing and high heat conditions. The pipe's