Gotham Hydroponics is proud to offer our most popular grow light products as a "Kit". By purchasing Reflectors, Ballasts, and Bulbs together in a single sale, you receive a Kit discount, as well as saving on combined shipping costs. Every component in each of our HID lighting kits has been selected and tested to meet our exacting quality standards. We only select the highest quality components and stand behind them 100%. If you have any questions about our HID Lighting Kits, please call us - 845-504-5723