General description Are you still worried about leaking water from the faucet? This replacement tap cartridge is designed to eliminate leaks, making your bathroom and kitchen tidier and drier. It includes two ceramic tap valves (1 blue and 1 red) and is suitable for both single and double hot and cold water taps. Technical specifications Material: Brass and Ceramic Weight: 100 grams Outer diameter: 7.5 mm Inner diameter: 4 mm Total length: 51 mm 20-gear universal valve core Installation Remove the old faucet valves and measure them for compatibility. Assemble according to your faucet characteristics. Red O-ring rotates clockwise to open and counterclockwise to close; blue O-ring operates in the opposite direction. Usage Ideal for kitchen and bathroom faucets. Seals the faucet well to prevent leaks. Saves time and effort by avoiding the need to change the faucet again. Other information Includes 2 x 4mm screws for installation. Please check the size carefully before ordering to ensure