fan intake 8inch has 8inch in on 2

2cent

Well-Known Member
So 8inch 1000cmf fan on a carbon filter with 3 bends.

So cmf is around 600 ish .
I have 2 8inch intake holes sucking in.passive

And 1is hooked up to my veg cabinet passive.
Other is new and free in the loft atm

My veg cab is 4x2ft x3ft and the intake in therr is 8inch into a bedroom.


My question is if i hook my 2 passive intakes off the flower room up on the veg cab.
Is she going to need a bigger intake to cope? Or will the 8inch hole be fine

The rule of 2x bigger i open 2 vent holes. 8inch. ofcand lead them thru to the veg cab.... can that be handled in the vegcab via the 8inch intake it has or does it ned to be bigger or double?

Trying to not use my noisey intake fan if possible by using passive 2x8inch instead of 1x6inch on a fan

So again to try explain

The 2nd intake atm is inside the loft loose which isnt ideal which is why i was gona hook it up to the veg cab too where my 1st intake is...
Worried wont be enough airflow without the fan ??it can only remove what i push in and same to what i pull in i guess so eithereay if ita negative it should be the same air circulation?
 
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