The Fluidmaster B8F20 20 in. Faucet Connector is a quality and proven solution to replace and upgrade your faucet supply line. Showcasing quick and easy installation, with easy grip brass hex nuts and exceptional flexibility, which resists kinking or creasing even in the tightest spaces. This replacement faucet connector fits 3/8 in. Compression x 3/8 in. O.D. Copper Tubing Coupling connections. Built to last this faucet connector come with a 5 year warranty. And features durable braided stainless steel construction and nickel plated brass hex nuts. Designed to replace old, creased or problem faucet water supply lines with quality you can trust. This connector is lead free and meets all code requirements. Upgrade your faucet supply line now, with a Fluidmaster Connector.