Zilla® Incandescent Bulbs feature heavy-duty filaments that yield more hours of service from every bulb than the average filaments. Choose from a full selection to meet specific pet care needs. Provides necessary daylight that is less intense than bright white Blue light hue brings out colors and gives a unique appearance versus white light Simulates the daylight sun which is necessary for reptiles to regulate their body temperature Heavy-duty filaments yield hours of performance Recommended for use with Zilla® Reflector Domes Available Sizes: 50 Watt / 75 Watt / 100 Watt