The Krowne Metal 21-307L is a high-performance ceramic cartridge valve designed for use with Pre-Rinse add-on faucets. Featuring a 1/4" turn operation, this valve ensures quick and efficient water flow control. Its durable construction guarantees long-lasting reliability, making it an ideal choice for commercial kitchens. The Royal Series design combines functionality with a sleek appearance, enhancing both performance and aesthetics in your workspace.