Description Manufactured without soldered or brazed joints from type 304 stainless steel. Broader face nuts and fittings with smoother connector ends seal with less torque for easy installation. Uniform coating leaves no gaps and protects against corrosion and leaks. 1/2" I.D. (5/8" O.D.) tube with fittings. WARNING: This product can expose you to chemicals including Lead which is known to the State of California to cause cancer, birth defects or reproductive harm and Butyl Benzyl phthalate (BBP) which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov