Quietest Inline Exhaust Fan

I searched this site for hours and couldn't get an answer I liked.. but I do like this site. I found this incredible thread here:

International Cannagraphic Magazine Forums - Panasonic Whisper Fan Carbon Scrubber Tutorial: Quietest most efficient fan ever!


and a very nice candidate for the quietest inline fan being the

Panasonic Whisperline series.. available for the same cost as Vortex fans

WhisperLine Inline™ | iaqsource.com - Aprilaire, Honeywell, Trion Air Bear, Bryant, Carrier, Trane Filters and IAQ products

..........

I skimmed that thread you posted - pretty cool stuff.

I was planning on going with PC fans for my wardrobe with seperate exhaust for the light tube and carbon filter plus having some on intake at the bottom.

I havent been able to find a fan I liked that wasnt going to sound like the old PC airplane fans I use to buy - Looking for maybe 20-35 db. The fan you mentioned (the 240CMF one) is 1.4 sones or like 33 Db which is perfect for me.

Now im thinking of making the intakes passive and ditching the PC Fans - Ill need to circulate air into the top section as well to the clones, so I still might have something else, but this seems like a great base.

Does anyone think I could pull enough air through the carbon filter (rated up to 265 CFM) and cool the cabinet if its ducted with an aircoooled light tube?

I didnt think PC fans had enough pull to cool everything properly - thats why I had them on 2 different ducts - but maybe this would.

Does this have a 4" in and 4" out so you can pull air through a carbon can and vent out somewhere else?

Yeah, I was wondering that myself - I mean I would think it would have to somehow as it cant be all enclosed, but I wish they had a picture of the back so Id know what kinda cut I have to make and how I would mount the thing.

SMOK3R said:

Does this have a 4" in and 4" out so you can pull air through a carbon can and vent out somewhere else?

Click to expand...

Anyone know the answer?

they have models with 4", 6", and 8" ducts. The 6" works good for my needs and is very quiet, though with the adapter i'm using to reduce it to 4" and the bends of the ducting, the airflow is significantly reduced from stock. It still works well though. I put the unit in the attic sitting on a thick bath towel. It is very quiet and moves a decent amount of air.

hey slash, what cfm rating is your fan?