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Best cheap 120mm and 80mm fan filters?

post #1 of 12
Thread Starter 
I need a 120mm and 80mm fan filter for 2 fans that do not have filters on my CM 690 II Adv case. I saw some Silverstone filters for $3 each on Amazon and Newegg but apparently they don't keep dust from getting inside of the case.

I don't want to spend more than $5 per filter.

What filters would you guys recommend?
post #2 of 12
Pantyhose. Stretch it over the fan. I'm serious.
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post #3 of 12
Thread Starter 
Quote:
Originally Posted by Zero4549;15153403 
Pantyhose. Stretch it over the fan. I'm serious.

Wouldn't that restrict airflow?
post #4 of 12
it would be the same as a fan filter. you stretch it out as far as you can.

[ame="http://www.youtube.com/watch?v=GH1CsgADwBY&feature=related"]http://www.youtube.com/watch?v=GH1CsgADwBY&feature=related[/ame]
post #5 of 12
Quote:
Originally Posted by ComradeNF;15153376 
I need a 120mm and 80mm fan filter for 2 fans that do not have filters on my CM 690 II Adv case. I saw some Silverstone filters for $3 each on Amazon and Newegg but apparently they don't keep dust from getting inside of the case.

I don't want to spend more than $5 per filter.

What filters would you guys recommend?

The key is to find the balance between filtration and airflow, because the two contradict each other.

I recommend the Silverstone filters because they do not hamper airflow as much as other more restrictive filters. I use them on my radiator fans they work really well.
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post #6 of 12
Quote:
Originally Posted by ComradeNF;15153416 
Wouldn't that restrict airflow?

'Tis the nature of filters my friend. No such thing as a filter or even a fan grille that is 100% non-restrictive.

The level of restriction is inversely related to the protection/filtering effectiveness of the grill/filter (assuming all grills/filters are designed as efficiently as possible).

Just so happens pantyhose filters extremely well, is dirt cheap, disposable AND washable, sizable, looks decent, and is right on that point of being able to filter great without being too restrictive.

Of course, if you are using a 15cfm fan with no static pressure, you might want to reconsider filters entirely.
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post #7 of 12
Thread Starter 
Quote:
Originally Posted by Zero4549;15153497 
'Tis the nature of filters my friend. No such thing as a filter or even a fan grille that is 100% non-restrictive.

The level of restriction is inversely related to the protection/filtering effectiveness of the grill/filter (assuming all grills/filters are designed as efficiently as possible).

Just so happens pantyhose filters extremely well, is dirt cheap, disposable AND washable, sizable, looks decent, and is right on that point of being able to filter great without being too restrictive.

Of course, if you are using a 15cfm fan with no static pressure, you might want to reconsider filters entirely.

Where can I buy those things btw? Do they sell them on Amazon?

Also, this is the 120mm fan that I am using: [ame="http://www.amazon.com/Cooler-Master-Computer-Cooling-R4-L2R-20AC-GP/dp/B0026ZPFCK/ref=sr_1_1?ie=UTF8&qid=1317601216&sr=8-1"]Amazon.com: Cooler Master Computer Case Cooling R4-L2R-20AC-GP: Electronics[/ame]

Close to 70 CFM. I hope it works fine.
post #8 of 12
I use what she's wearing:
F_pantyhose_1_t300.jpg
works like a charm.

I actually asked my girlfriend for it and she had a big one that was actually for the body, not for the legs. It's covering my side panel which supports up to 4 140mm fans
post #9 of 12
Thread Starter 
Quote:
Originally Posted by Raul-7;15153480 
The key is to find the balance between filtration and airflow, because the two contradict each other.

I recommend the Silverstone filters because they do not hamper airflow as much as other more restrictive filters. I use them on my radiator fans they work really well.

I was thinking about the Silverstone ones, but most comments say that they do not trap dust:

[ame="http://www.amazon.com/SilverStone-120mm-Filter-Grill-FF121B/dp/B0036WTDHK/ref=sr_1_1?s=electronics&ie=UTF8&qid=1317601321&sr=1-1"]Amazon.com: SilverStone 120mm Fan Filter with Grill FF121B (Black): Electronics[/ame]
post #10 of 12
Discount clothing stores, or online. Remember, you don't need brand name stuff or anything that would look attractive on your woman. The kind your grandmother gets from the dollar store will do the trick.
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Arcane
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