This range uses the latest faucet cartridge. The Kerox progressive cartridge initially directs water from cold to hot with constant pressure. This handle operates in a rotating manner. Controlled water pressure prevents water waste. This faucet can be ordered in five colors: matte steel, shiny steel, matte black, matte gold, matte rose gold. This series includes built-in washbasins, surface-mounted washbasins, ceiling-mounted washbasins, and free-standing bathtubs.