This is our 6 ft tall grow cabinet , well insulated with reflective material to trap lights. Well air circulation with 4 x fans 2 intake fans and two exhaust fan. One detachable carbon filter with 150CFM fan. CFL grow lights produces about 21000 Lumen, side lights mounted near roots, as plants grow taller the roots will not lack any lights. 12-15 Grow Site Available using Deep Water Culture system or superponic drip system. Easy to set up , simple to operate light maintenance just plant seeds and start growing. How to grow manual provided. please visit us at collegegrowbox.com for info about how to grow indoors or purchase one of our grow box.