Chromalux Standard Clear 3 Way Light Bulb. Description: Color Correct. 50/100/150 Watt. Full Spectrum Lamp. Average 4000 Hours. Healthful Living From Natural Balanced Light. Chromalux Light Bulbs are long-life bulbs that offer full spectrum lighting, which closely imitates natural daylight, reduces yellow glare, increases black and white contrast, improves readability, lessens eye strain, and helps promote a sense of well-being. Disclaimer: These statements have not been evaluated by the FDA. These products are not intended to diagnose, treat, cure, or prevent any disease.