That said the recommended approach is to hang the fan and filter inside the tent.
Inline fan grow tent setup.
How to set up your carbon filter.
In the review below we included some larger inline fans for people who have large grow rooms and larger grow tents.
A grow tent with the aforementioned dimensions will need an inline fan of about 4 inches most of which have a cfm of about 190 more than enough for the tent.
In this case the best way is to connect the carbon filter to the intake of your exhaust fan inside your grow space grow tent.
I won t write out all the math but i ll use the same method i used for the 4x4 grow tent above one carbon filter and one 90 degree duct bend.
There are 2 ways you can set up your carbon filter based on whether you re using air cooled hid lights or not.
What size fan is needed for other grow tent sizes.
So for a 4x4 grow tent with an area of 106 cubic feet a grow tent fan inline fan rated for 200cfm would get the job done.
With grow tents you can grow crops indoors with a lot of ease.
For the majority of grow tent growers a passive intake system works perfectly.
However if you have a larger grow tent or are using a grow room you would probably need a larger 10 12 fan.
Instead the inline exhaust fan will suck the air out of your tent creating a vacuum.
The only issue with grow tents is that they have poor air circulation.
It s the point where most have a challenge but it s a simple procedure.
During this step it s time to get the grow tent ventilation setup.
There are two ways you can set up the intake system for your grow tent.
If you re not using an air cooled hid light led cfl or regular hid.
On an average if you are using a grow tent which is about 4 4 or 5 5 a 6 inch inline duct fan would be the best grow tent fan for you.
There are many grow tent ventilation setups you can consider.
Installing an inline fan shouldn t be rocket science.