This LED tube Philips High Output (HO) is the ideal alternative for a fluorescent tube T8 (socket G13) of 18W, in a fixture with conventional ballast (ferromagnetic). With a lenght of 60cm, it diffuses a natural day light (6500K), this product has a design which makes it similar to a traditional fluorescent tube. In addition, it is also designed for general applications.  With a high resistance to switching cycles (50000x), CE marking, it complies with RoHS (Restriction of Hazardous Substances, 2002/95/CE) and KEMA-Keur certification. The LED tube Philips HO has an average lifetime of 50000 hours so that you can realise up to 70% of energy savings.