Cerro 1" Inner Diameterx10' Type L Hard Copper Tube withstands a maximum working pressure of 850 psi and temperatures ranging from 0 to 400 degrees Fahrenheit. Its maximum flow rate of 10.9 gallons per minute ensures efficient water delivery. ASTM Compliant and NSF Certified, this tube meets industry standards for safety and reliability. Backed by a 1-year warranty, it offers peace of mind.