The latest generation of Phantom Commercial D-E Lighting Systems by Hydrofarm are high-intensity one thousand watt and seven hundred fifty watt horticultural lighting systems that are both powerful and versatile. Each system combines a Phantom variable-output Fifty Series D-E electronic ballast with a Phantom double-ended reflector in your choice of Open, Enclosed or Super Deep style, and a premium European double-ended high-pressure sodium lamp. All three reflector styles are interchangeable on these systems, allowing you to easily switch to a different reflector style if desired. These commercial-grade systems allow you to select the most appropriate light intensity level for your setup and the phase of plant growth