Kingston KS1000H Hot Ceramic Disc Cartridge (1 Piece), Raw The ceramic disc cartridge is the heart of the faucet, controlling its temperature and water flow. Internally, two opposing discs made out of ceramic carbide rotate to control the flow of water. Because ceramic carbide is impervious to friction, it can last for many years before needing replacement. Features Fabricated from high quality brass and ceramic Corrosion-resistant Designed for long-lasting durability For use on Kingston Brass faucets-check model for compatibility 3/8" x 16 PT handle connection 2-3/8" overall length Prop 65 Label Downloads Specification Sheet Parts Diagram