help

im starting a new grow room for flowering im using a dresser pic coming soon but i need help on keeping it cool i herd you can you a pc fan

soon as i get my Master Kush, Afghan, Pure Power Plant and Skunk #1, sedd im post picture of my new grow room i the setup im working on is undectable 100% i came across the idea atfer landlord did a suprise check up and i had tho hide every thing then i can up wit the best idea

i need help on ventilation im geat a inline air fan how do i hook it up do i hook the flex tube to the box and the inline to the tube should the fan be out in the room or hook to the grow box and ven there kind of confuse