COMPATIBILITY: Fits Krowne old style 10-4, 11-4, and 13-8 series faucets for seamless replacement. COMPLETE SET: Includes one hot and one cold compression valve set, both with durable knob-style handles. EASY INSTALLATION: Fully assembled and ready to install, making repairs quick and hassle-free. DURABLE CONSTRUCTION: Built with high-quality materials for long-lasting performance and reliability. VERSATILE APPLICATION: Ideal for use in commercial kitchens, bars, and other foodservice environments.