This Rohl C3009 is a Country Kitchen and Country Bath mixing control cartridge. It is used for most of Rohl's single lever faucets in kitchens and baths. It is made out of reliable and long-lasting materials. This control cartridge comes with instructions. The Rohl C3009 mixing control cartridge is a representation of Rohl's commitment to making products that are easy for the customers to install and use. The House of Rohl has been in the business since 1983. They have reached success by providing distinctively different faucets and fixtures that define real luxury. To create superior products that will enhance your way of living is Rohl's goal.