Philips GreenPower LED string is used in tissue culture of Low light intensity (5-30 μmol/m2/s) and in seedling storage. The flexible 20 m light belt can be arranged for long tissue-culture shelves. Red, blue, far-red, and white strings are available. Small lamps are connected by a flat-band cable. Even with shelf heights of up to 25 cm, the light distribution on the optical surface is guaranteed to be even. Thanks to LEDs characteristics of low power consumption and low heat, the GreenPower LED string offers significant energy savings.