Thx but just look at the post above you! lol. I pull AC in from the vent through the intake which is a 4in inline 190CFM fan. LED fans are working. It's only a few days old. I mean there is alot of light in there. 1 400W HPS, 1 240W LED Blackstar, 1 90W UFO, and 1 250W CFL (day bulb).