This fan seems to be overkill for your tent dimensions.
Minimal recommended air exchange is every 3 min.
2 X 4 X 7 = 56 cubic feet.
Add 30% for lights and filter = 73cf
With 740cfm you will be exchanging air at a rate of once every 6 seconds.
Unless my math is wrong. In which case, ignore me.


cheers! (Toking) good luck on your growing and as others have said there is allot of information on here and allot of good people to help you out along the way.