This Jones Stephens S04203 is a flexible faucet connector.It features a leak-proof seal and exclusive compression fittings that enable this connector to perform in its maximum capacity. Installing this faucet connector is really easy even in tight spaces, as it doesn't need any tools or soldering. Also, this product resists temperature from 33 degrees (F) up to 174 degrees (F). This S04203 has 3/8 inches OD, 1/2 inches FIP, and a length of 20 inches. Having approved by NSF, this chrome-plated nut connector is safe to use.