Sunmaster M/H Cdx Uni 400W

Sunmaster Metal Halide Lamp for use during the vegetation phase of plant growth. Sunmaster Metal Halide Bulb will fit any reflector with an E40 lamp holder and require a ballast with matching wattage to run the bulb safely.

Please note if you use a metal halide lamp in a dimmable digital ballast, you must set the wattage to the exact wattage of the metal halide lamp.