Joystick handle allows for both on/off actuation and temperature setting KOHLER ceramic disc valves exceed industry longevity standards for a lifetime of durable performance Pair with Composed faucets, accessories and showering components to coordinate a full bathroom 1.2gpm (45 lpm) maximum flow rate at 60 psi (414 bar) Tall height is ideal for vessel-style sinks Includes pop-up drain with lift rod and 1-1/4-in tailpiece Required for use with KOHLER Invigoration Series 18kW-30kW steam generators. Improved sensor reduces temperature fluctuations for a consistent steam shower temperature. Easily adjustable control panel allows user to set temperature (90-125°F range) and steam session duration. KOHLER finishes resist corrosion and tarnishing.