Sunmaster Conversion Grow Lamps are Metal Halide lamps which operate on standard HPS ballasts. Easily convert your HPS systems to Metal Halide to promote plant growth simply by replacing your current HPS bulb with a Metal Halide conversion bulb like this one. This Sunmaster Metal Halide Natural Deluxe bulb emits balanced light similar to a 4000° Kelvin source, imitating the natural look of daylight. Sunmaster Conversion Lamps are effective in promoting both vegetative growth and flowering. They surpass the HPS lamps they replace in PAR watts - the most objective measurement of total light energy available for photosynthesis.
Sunmaster 400 Watt Conversion Metal Halide Light Bulb
