Homewerks Worldwide 3/8 FlarexBallcockx12 In. Stainless Steel Toilet Supply Line. It is made of braided stainless steel and has a 5-year limited warranty. The working temperature range is 40 to 140 degrees F and the maximum PSI is 125. The inlet size is 3/8 In. and the outlet size is 7/8 In.. The length is 12 In..