The product is a pair of ceramic cartridge mixers with a diameter of 40mm, designed for bathroom sink faucets. Manufactured by Paffoni in Italy, these replacement cartridges are suitable for bathroom sinks in the home. Made of ceramic, they offer durability and quality for maintaining the functionality of the faucets in the bathroom. Ideal for enhancing the aesthetic and performance of bathroom fixtures, these cartridge mixers provide a reliable solution for ensuring smooth and efficient water flow.