Lumichrome 18 watt Full Spectrum Replacement bulb for the Sunalux and the Sunalux Combo.
For the Sunalux light box: Order 2 of these bulbs
For the Sunalux Combo light box order 2 of these bulbs and 2 1555-PL55HL bulbs which are half blue and half white
-Provides a pure white Full Spectrum illumination that closely simulates natural light, including beneficial UV rays.
-Reveals brilliant natural colors and textures as in broad daylight.
-Average life of 20,000 hours.