KOHLER K-300-K-NA 1/2 In. Ceramic High-Flow Valve System

K-300-K-NAAdjustable 1/2 Inch Tub ValveDeck Mounted This 1/2-inch ceramic valve works behind the scenes to give you optimal performance from your KOHLER faucet. It features brass construction for durability, and long-lasting ceramic valves that offer a lifetime of smoothly functioning water flow. High-flow valve ensures optimal water flow performance. Quarter-turn ceramic disc valves exceed industry longevity standards, ensuring durable performance for life. 15.0 to 17.0 gpm (gallons per minute) flow rate. For use with bath- or deck-mount faucets. Requires valve trim (sold separately). Brass construction.