To give you an idea of my box It's 3x3x3 Box and fresh air from outside is pumped in by a 60cfm Squirrel Cage Fan im growing in a Garden of Ease hydroponic setup with 4 plants.Right now there going through a little LST to get the canopy even and to get more light to more bud site's.I will have pic's later on .Just im really rough with my camera when i go rock climbing so now i need a new one.Thanks Zandor i guess i shoulda explained my situation a little better