KOHLER K-302-K-NA Ceramic Wall-Mount Two-Handle Valve System
This ceramic wall-mount two-handle valve system for 8-Inch centers works behind the scenes to keep your KOHLER faucet at optimal performance.  It features solid brass construction for durability and reliability and one-piece ceramic valves resistant to debris and hard water buildup.  Ergonomic handle rotation provides on/off water control with only a quarter turn.