HELP!!!! Grow box too Hot Need a solution.PLEASE HELP!

Hello everyone..this is my first grow.
I alredy hav a nice 2 month old plant that i started growing outdoors alredy.She (crossing my fingers) is ready 4 flowering and i just set up my grow box..it is 43 in.tall 24 in.wide and 18in.deep (from the front of the box to the back) average temp is around 105 deg. Farenheit!!!
What can i add to solve this problem..thanks in advance!

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A few computer fans should take care of your problem. I suggest putting 2 or 3 at different positions blowing in. Definately put one blowing on the bulb if possible. Do the same on the out side. I'm curious how tall your plant is because you said you been growing it for two months? Your box is only 3 1/2 feet tall. Did you top it or use the LST technique? Any pictures?

Thanx Dfunk.. i did top it once and i had it tyed down 4 a while..its about 18in...wut do u mean do the same for the outside?.. hopefully i'll get pics soon.
thanks

Exhaust fans are what I was refering to. You can't just force air in without giving it an outlet. Does this make more sense?