1 in x 300 ft White Pex Non-Barrier TubingCalifornia residents see Prop 65 WARNINGS High temp and freeze resistant materials adapt to both hot and cold water applications for PEX systems Corrosion resistance eliminates the possibility of mineral buildup, extending the life of the system Pressure rating of up to 80 psi at 200F handles the high demand of commercial usage BPA, lead free construction holds up for years of use Non toxic materials ensure the highest purity and safety NSF 61