Kohler 1/2" ceramic high-flow valve system K-300-K-NA

1/2" ceramic high-flow valve system This 1/2" ceramic high-flow valve system works behind the scenes to get optimal performance out of your KOHLER faucet. It features solid brass construction for durability and reliability and ceramic disc valves that exceed industry longevity standards two times. Solid brass construction for durability and reliability KOHLER ceramic disc valves exceed industry longevity standards two times for a lifetime of durable performance