This Philips LED tube HF Ultra Output (UO), with a length of 120cm is the ideal alternative of a fluorescent tube T8 (G13 socket) of 36W in a fixture with electronic ballast. This product looks alike the traditional tubes. With a white natural day light (6500K), it is suitable for general applications. Besides, it's highly resistant to switching cycles (50000x) with the CE Marking,it complies with RoHS (Restriction of Hazardous Substances, 2002/95/CE) and Kerma-Keur certification, this LED item allows to realise up to 70% energy savings with an average lifetime of 50000 hours.