The mixer valve also mounts on to the wall making your shower look less cluttered and bulky. These come in a stylish design, which coordinates with the design of the shower set, and it is easy to use. The concealed shower mounts on to wall, and also comes with an ULTRA THIN shower head with a swivel joint and arm for ease of use. A 10 years guarantee is also included. Thermostatic Concealed Valve - Top dial - controls water to 1 outlet - Bottom dial - controls temperature of water - High quality design - Chrome finish - Thermostatically controlled - Manufactured from highly durable brass - Operating range 20 - 50 deg C with 38 deg C safety button - Built in non return valves to prevent back flow and filters to protect the thermostatic mechanism -