The efficient 400-watt Sunleaves OptiLUME metal halide lamp distributes light energy concentrated in the blue-yellow portion of the spectrum to promote vegetative growth. Excellent value grow lamp for diverse, indoor horticultural applications.

Universal burn position design allows horizontal and base-up operation while the 10,000-hour life rating ensures dependable, long life performance.

This OptiLume lamp emits 39,000 initial lumens and works with most 400-watt high pressure sodium and 2-way HID systems.

This lamp is compatible with both magnetic and electronic ballasts.