Hansgrohe ShowerSelect 15743 Thermostatic Valve Trim Features and Specifications: Product Technologies / Benefits: iBox Universal Valve: Do you have a small bathroom, cramped shower, or maybe just don't want a protruding faucet in your shower? If so the iBox Universal rough in valve was made for your benefit. This innovative choice will allow your exposed installation to disappear, thus creating more space and a more comfortable showering experience. It also gives you a wide array of options for what kind of shower to install; you can install the iBox Universal now and decide what shower system you want to install later, it's that flexible. Select: Select the function you want with just a push of the button. Simply push the button which correlates to the function you wish to use. Ideal for all those who appreciate a convenient and pleasurable shower experience. Advantages of the iBox Universal Valve 180� Rotational Symmetry Trim Includes Function Block Water-Tight Seals All Around Built-In Service Stops Simplified Pipe Flushing Reduced Noise Transfer