The Philips Master LEDtube T5 HF InstantFit ECG is an excellent alternative to conventional T5 fluorescent lamps and enables considerable energy savings compared to conventional T5 fluorescent lamps. LEDtubes offer the quickest and easiest way to convert existing luminaires to LED technology. Installation is safe and absolutely simple thanks to direct lamp replacement. Protect your eyes, the environment and your wallet with LED lighting. Benefit from longevity and energy efficiency: LEDs (light-emitting diodes) have the advantage over conventional light bulbs that they do not generate heat, but convert most of the energy into light and therefore only consume a fraction of the electricity. In addition, LED light sources are extremely robust and do not need to be replaced for a long time. Because LEDs are flicker-free and have a high colour rendering index, their light is always pleasant for your eyes. Objects that you highlight with LED lighting appear in their true, natural colours.