Grow Light Kit, 6" Horizon Super Nova Air Cooled Reflector (26" x 37"), 600w MH Bulb, 600w HPS Bulb, 600w Digital Ballast, Light Hangers, Analog Timer 6" Extra Large - XXXL Air Cooled Reflector 600w Digital Ballast - UL Listed 600w MH & HPS Bulb YoYo Light Hangers Analog Timer