Gardeners will love the big beautiful blooms they get when they raise their plants under a 1000-watt HPS HiLUX GRO Lamp. This lamp boasts 146,000 initial lumens - the highest in the industry for a 1000-watt HPS lamp. In addition, this sodium lamp has a 24,000-hour life rating, operates in the horizontal or base-up position, and includes a one-year manufacturer?s warranty. Lamps generate an optimized red spectrum for superior flower development in addition to an enhanced blue spectrum to give plants their green. For use with a 1000-watt HPS ballast.