This ReliaBilt 30 in. faucet supply line has a 3/8 in. OD compression connector at one end to connect to the water supply and a 1/2 in. FIP connector at the other end to connect to the faucet. The strong inner PVC hose is wrapped in braided stainless steel to create a durable, corrosion resistant design that prevents kinking and crimping. The supply line can be used for hot or cold water in accessible locations and complies with 0.25% weighted average lead content on wetted surfaces requirement making it suitable for potable water.