air filters anyone?

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dankephoto's picture
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Appears to me there's no practical way to add air filters to the intakes on most Macs. Anyone ever try?

I've got some old high quality external HD cases that incorporate easy-to-clean filters. Always thought that a nice touch, though one did have to clean the filters once in a while (else they'd get clogged and cut off yer airflow.) Well, mine did, YMMV depending on whether your space is as dusty as is mine. Smile

dan k

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Jon
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The problem is that many desi

The problem is that many designs don't have a simple point of entry for the air. Many have multiple slots and vent where the air is drawn in in. I'd thiunk it'd be very model specific as to if you can feasibly put filters on the vents, AND remeber where they are all at to clean them once in a while.

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original filtering design

Just stick a floppy drive anywhere in the case. Judging by what I've seen in cases that haven't been opened in years, Apple intended for these to act as dust filters Wink [/smart-ass unhelpful reply]

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Tries once on a 7300

I once added air filters to my 7300, mostly in an attempt to lower noise. On this model and quite possibly on other PCI desktop Power-Macs, you can put them behind the power-supply, in the plastic grille in the cabinet. I think the best material is air filters from vacuum-cleaners. These are (was) available as sheets which are easily adaptable.

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Was that effective? Air blows

Was that effective? Air blows *out* of that opening, so you were filtering the air after it's already entered the case and added to the dust bunnies.

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Not really

I added the filters to lower the noise, but that wasn't effective either, because the fan is temperature controlled. The filters restricted the airflow so the fan revved up, which gave even more noise. Anyway, when I removed the filters they was full of dust, so they did catch some, even though it was from inside the case.

But hey, the only dust that is annoying is the stuff you inhale. Wink

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Cruller's picture
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.

elefant wrote:

But hey, the only dust that is annoying is the stuff you inhale. Wink

Until your computer is so filled with dust that air can't cool it and you end up with 7300 Flambé. Tongue (kidding)
I taped a bunch of dryer sheets to the inside vents of my PC. works really well, and my desk smells dryer-fresh for about a week.

I haven't used a can of dust-off in months. Except upside-down, to flash freeze banana peels and such.

eeun's picture
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intake hole

IMHO, the most effective way to use a filter on a Mac would be to create a dedicated air intake, complete with fan to offset the otherwise negative case pressure (no more floppy dust rhinos!).
The big question is where do you put it?

Speaking of case modding...holy crap!
I think we had a link to the brother of that case a while back.

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Air filters for computers and electronics

The best air filters for electronics and computers is a easy cut and paste system found at computerairfilters.com. The invention has been around for severa years and works on many applications. one of the better devices on the internet.

Thanks

dankephoto's picture
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but Macs . . .

don't generally use an intake fan, they (usually) use exhaust fans along with (usually) intricately distributed intake points. There's never (usually) a nice flat expanse of case surface used for air intake where a filter would fit. That was my original complaint, back a year and a few months ago when I made the original post.

Actually, a G5 has probably the best case for adding filter material. But then, I ain't got one of them there jobbies so who gives a rat's a55? Tongue

dan k

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