The ProSource KYSL043 is a 12-inch flexible toilet supply line designed to connect a toilet's fill valve to the water supply. It features a braided stainless steel exterior that provides durability, resistance to kinking, and corrosion protection, encasing a chloramine-resistant PVC inner hose. One end has a 1/2-inch Female Iron Pipe (FIP) connection with internal threads, while the other features a 7/8-inch brass ballcock nut, compatible with standard toilet fill valves. This supply line is suitable for potable water distribution systems, with common operating temperatures ranging from 40°F to 140°F and maximum pressure ratings of 125-160 PSI. It typically complies with low-lead standards and is often approved by organizations such as IAPMO and UP