Carbon filter fan placement

[curious618]

I have the 4in Vivosun 190CFM fan and it doesn’t quote fit the way it did in my other tent. Am I able to set the filter outside the tent and blow the air into it? Or should I keep the filter in the tent and put the fan outside and pull air through the filter? Or am I able to put both on the ground and direct the ducting out of the tent?? Thanks.

 

[StareCase]

Like this same 190 CFM Vivosun 4" exhaust fan:



I ran a few grows with this set-up. It works in a pinch - but it does put more of a strain on the fan. Running it this way, the fan had to operate at nearly full speed to suck the air out of the tent.

I've since moved things back inside and have reversed the set-up and the fan now runs at around 50%.

What size is your tent?

 

[V256.420]

I run my exhaust fan 24/7 and blow into the carbon filter outside the tent. Works like a charm

You wont even hear my 8" 440 cfm fan. It's very very quiet.

 

[curious618]

Like this same 190 CFM Vivosun 4" exhaust fan:

View attachment 4841551

I ran a few grows with this set-up. It works in a pinch - but it does put more of a strain on the fan. Running it this way, the fan had to operate at nearly full speed to suck the air out of the tent.

I've since moved things back inside and have reversed the set-up and the fan now runs at around 50%.

What size is your tent?

I think that’s it. Here’s the link
VIVOSUN 4 Inch 190 CFM Inline Fan... https://www.amazon.com/dp/B07YZKWNG5?ref=ppx_pop_mob_ap_share

So now you have the fan inside the tent and filter outside the tent? I have been told not to do that.

 

[curious618]

Like this same 190 CFM Vivosun 4" exhaust fan:

View attachment 4841551

I ran a few grows with this set-up. It works in a pinch - but it does put more of a strain on the fan. Running it this way, the fan had to operate at nearly full speed to suck the air out of the tent.

I've since moved things back inside and have reversed the set-up and the fan now runs at around 50%.

What size is your tent?

My tent is a 2x4x6

 

[StareCase]

... So now you have the fan inside the tent and filter outside the tent? I have been told not to do that ... My tent is a 2x4x6 ...

It's all back inside the 2 x 4 x 5 tent. The fan is sucking air through the filter then out the top exhaust port: