Philips TUV PL-L 24W/4P UNP/50 is the UV-C lamp which is used for air and water disinfection and together with maintaining safety, it provides a clean environment in many areas. The CM-2G11 refers to a 2G11 socket type with a total length of 320 mm and a diameter of 39 mm. This light fixture is mostly used in hospitals where sterilization is a must, emitting intensive UVC to kill germs.