【Material】The thermostatic radiator heads are made of high quality materials with fine workmanship and good performance, which are practical to use, not easily deformed or damaged. 【Package】In this package, you will receive 2 thermostatic radiator heads, which take up little space, and are convenient and useful. Please refer to the picture for the product size. 【Advantage】Thermostatic radiator valve heating system has anti-freeze protection and adjustment function which can provide adjustment help. 【Easy to Install】The thermostatic radiator with 5 levels of modulation and is easy to install, if you need to turn off the thermostat, just use the modulation index arrow 0. 【Application】The radiator thermostat valve can be use on towel rails, column radiators, panel central heating radiators, vertical flat tube radiators., Manufacturer: Yi kai