intake fan

Do you guys think I can get away without putting an intake fan in my 4 x 4 tent? I have a carbon filter attached to an exhaust fan so do you think I can get away without putting an intake fan? Or is it a must in a 4x4. Also if you think I can get away without putting an intake fan in do I have...

Hello friends pls help someone with expirience :) I'm doing cloeset grow : Light is SF2000 with 100mm Prima Klima extraction fan (280 m3/h) with speed controler and carbon filter, so my question is: *Can i put 120mm PC fan something like "Noctua" for my air intake will that be enough for...

Hello, first of all I'm no artist but I'm proud to show you my sketch. Still trying to figure out which fan and filter I need for my grow. From what i found se need to do these math calculations: EUROPE (M³H) Tent size: 1.20x0.60x1.70=1.23m³ 1.3 X 60 (minutes) x 1.33 (25% filtre) =...

Hello All. I'm a first time grower, I am building a 6x6x7.5 feet grow room in our basement. My question is, will a 4" inline fan bring in enough fresh air for the girls? I will have a 6" exhaust with carbon filter. It is 270 Cubic feet. Thank you for your knowledge Have a great day to all!

Hi there forum, I have had problems before with my plants in the last couple of weeks with mold and such so i decided to go ahead and get an intake fan to hopefully stop this from happening. but I think there is too much pressure and my tent is inflating... This is bad right? Should i just...