Use this cold water valve and handle repair kit as a replacement cold stem assembly. Already preassembled, the easy-to-install cold water valve is a 1/4-turn high-performance ceramic cartridge valve with built-in internal check valve backflow protection against cross-contamination. The cold valve has a color-coded polished chrome lever handle, and fits all Royal Series faucets. The faucet repair kit is NSF listed and low-lead compliant.