360w Hortilux Ultra Ace Conversion (Halide to Sodium) Bulb

Eye Hortilux bulbs are designed with exclusive chemistry and technology that optimize spectral energy levels to promote vigorous plant growth. This High Pressure Sodium bulb is to be used with a 400w Metal Halide ballast. Conversion bulbs give the convenience of one ballast and the optimal growth of using both types of bulb. It gives 45,000 Lumens and approximately 24,000 hours of life.