T5 HO Grow Light - 4 FT 4 Lamps - DL844J Fluorescent Hydroponic Indoor Fixture Bloom Veg Daisy Chain with Bulbs, Low Profile -Only 2 Inch height 20,000 lumens - light output - powerful grow system 95% Reflective German hammertone reflectors. 30% more light than comparable light systems 1 on/off swtich on power cord Slim Profile - Only 2 inch Thickness Discrete Shipping in Brown Box