Plants grow lean and green when gardeners raise them under a 400-watt HiLUX GRO MH Conversion Lamp.

Emitting 39,000 initial lumens with a 20,000-hour life rating, this lamp lets growers promote healthy vegetative growth from a 400-watt HPS ballast.

Quality HID conversion lamp operates in the horizontal or base-up position and includes a one-year manufacturer’s warranty.