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Fan filters on intake p/p rads. Good or bad idea? (pics)

post #1 of 7
Thread Starter 
I am running 2 P/P intake rads in my current build, and I'm just thinking ahead on dust maintenance. Fry's sells these filters for a $1 for 2 filters. I was thinking of lining one side of the rad on the push (intake) side so dust can be trapped before going into the case:



Would this be a good or bad idea? or will this degrade airflow through the rad fins?

If you think this is a good idea, do you think I would have to increase the rpm's on push fans? I was thinking that both push and pull fans should have the same rpm since... even if the push fan is pushing through the filter, the pull fan on the opposite end is pulling air through the filter just the same... but I'm not sure. Maybe you smart people can have a good discussion out of this.

I'm thinking performance, and not using the filters, but dust isn't electronics friendly.

Thoughts?

Here are more pics of the filters:





    
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post #2 of 7
It will degrade airflow. By how much, I don't know (and I'm sure it's different for every material/density/what have you). Will it make a difference? Yes. Will it be measurable? Probably. What you have to decide is whether or not the performance hit (which should be minimal at best, assuming you have decent filters) is worth not having dust all over your components.
 
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post #3 of 7
thats cool, but you coulda just bought a pack of foam at home depot

also, it might be a bit of a hassle to clean? i dont know the area you live, but near my place, i have to clean the filters out monthly, specially if their foam filters
post #4 of 7
Thread Starter 
Quote:
Originally Posted by DWSR View Post
It will degrade airflow. By how much, I don't know (and I'm sure it's different for every material/density/what have you). Will it make a difference? Yes. Will it be measurable? Probably. What you have to decide is whether or not the performance hit (which should be minimal at best, assuming you have decent filters) is worth not having dust all over your components.
That's what I'm deciding... my office is a dust magnet.
Quote:
Originally Posted by mnkeyprince View Post
thats cool, but you coulda just bought a pack of foam at home depot

also, it might be a bit of a hassle to clean? i dont know the area you live, but near my place, i have to clean the filters out monthly, specially if their foam filters
True, but these are cut perfectly for 120mm fans, and they're only $3 for 6. As for cleaning the filters, I would just pay another $3, and replace them.
    
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post #5 of 7
Thread Starter 
Just wondering who uses fan filters on their rads (intake)?

I don't want to disturb the airflow through the fins... so I am installing my rads without the filters. I guess I'll blow the dust out periodically with my air compressor.
    
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post #6 of 7
I do not have a radiator, but I did a bit of research on filtration a while back.
Currently i'm using a cut of screen door mesh over my fans to filter dust and it works surprisingly well. You will lose a small % of airflow through the radiator but having it in push\\pull will bring that loss back to a minimal amount.
For an air cooler based setup, I would say to filter everything because a clogged heatsink is worthless compaired to the loss of airflow.
however for a water cooler based setup, I am on the fence whether to filter or not. The benefits of filtered intake with a water cooled setup is minimal (unless your graphics cards are not under water).

Graphics cards on air? filter the rad.
Graphics cards on water? Just leave it be or use a very light screen mesh to filter dust.

There is also noise to be considered, as some filtration purposes can generate noise through turbulence, while other filters can reduce noise as an insulation.
    
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post #7 of 7
If those rads are the case intakes, then filter them, definitely. It'll cut down the dust inside the case by a huge amount. And pull the air through the filters.
Edited by allikat - 11/2/11 at 12:01am
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