help needed with carbon filter plz

[mrberrys]

You need a inlet and a outlet in your tent you cant just close it up

hey OregonSkunk so would i need to jus cut a hole at the bottom of the tent to let air in??? if so my tent is right next to the wall would cuttin a hole in my tent which is like inches away from the wall bring in enough air for me to run my carbon filter during lights off with the tent closed???? allso my window is allways open and its like a ft and half away from my grow tent plz advise from any1 would help... and thanks OregonSkunk for ur reply...
pps if cuttin a hole at the bottom is all i need to do.. how big should it be?