Switching fan/filter from pulling to pushing air

Hey, over the years I’ve seen a lot of people confused about the options with pushing or pulling air through filters/scrubbers.

Last night I had to switch things around in my 2 x 4 tent because the plants got too tall so I figured I’d show with pictures how I buy myself an extra foot or so of height when I need it.

So this is how I prefer to keep it if the plants are not too tall. With the filter inside the tent above the light, and the pre-filter on the outside of the cannister because the fan is pulling air through it. But I’m not comfortable with the light being so close to the filter, that’s why I switched it last night.

So now that I’m going to be pushing air through instead of pulling it, I put the pre-filter on the inside of the cannister.

Since I’ve been through this many times, I already have hooks in my ceiling where I hang the filter and connect it to the muffler outside the tent. Also, I try to locate the duct opening in the tent as close to the grow light driver as possible.


That is a great space saver! I like the tandom filters also. I may have to hook my 4" to my 6" cuz it can get a little danky.

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Thanks @Borderryan22. The first cannister is actually a muffler to quiet down the fan noise.
I have them on all 3 spaces because the combined noise of an AC Infinity 8" fan in the closet and a 6" in each of the tents made it sound like a freight train in my place, lol. I’d say the mufflers reduced the noise by at least 50% or so.


Seems like you took your time and thought it through and didnt RUSH it

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That’s a good one @Dieselgrow1031!

:man_facepalming:t3::man_facepalming:t3::man_facepalming:t3: I still stand by my dank smelling room comment lol. I have my fan/filter in a closet adjacent to my grow closet. But the AC I had to get for the room they’re in makes me feel like I’m in a hotel from the noise lol.

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No it was lame as hell just couldnt help it lmao

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