Description Sunmaster 400W Metal Halide Sunmaster Cool Deluxe 400W provides a spectrum as close as possible to that of the natural sunlight. This coupled with their intensity and energy efficiency, makes them ideal for indoor gardening. Sunmaster develops and manufactures the highest output hydroponic lighting systems available. Venture Lighting – Sunmaster’s parent company, is an industry leader in delivering high-output HID bulb and ballast systems with higher efficacy (lumens/watt or PAR/watt) values. Use in the vegetative stage. Sunmaster 400W Metal Halide, maximum efficiency and performance replace lamps after 6 months of use.
