ok, i've finally planned out my ventilation system. As i don't want to damage my cabinet by putting holes in it, i plan on using mdf and closing off the back of the cabinet. I will use foil and stick it onto the mdf.
Cool air is going to come in from the bottom left which is where a 3 inch mini box fan will go.
The warm air will rise and exit at the top right hole.

Here are some pictures to show you what i mean.
I have one question.

Where do i cut the adaptor so i can connect the wires with the fan? Just after the cylinder thing or before? Thanks peepawl:smokin:

Heres what i'm gonna use -
lowryderulez Reviewed by lowryderulez on . 1st Thread, 1st Grow, 1st Lowryder! Bonjour everyone, This is gonna be the journal of a newbie. I'm currently growing my first ever maravingeon! I've been reading and researching on this website for about two months and feel as though i've already grown thanks to you guys. I've decided to go for the lowryder strain from its size and hardiness. The only experience i've had is growing hemp which went pretty well only i found out after destroying them that i had three males and one female. (not that i give a crap) I'm Rating: 5