PC air filters

For a long time I put homemade air filters in computer cooling systems. In this article I decided to summarize my experience and show some mods.

Why air filters in the PC?

First of all, to simplify further maintenance. Cleaning two-three filters with a vacuum cleaner takes much less time than dismantling the cooling system, opening the power supply, cleaning radiators, fans and other pieces of iron from dust.
Well, aesthetics are enhanced, to the delight of fans of computer Feng Shui.
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Why not buy ready-made filters in the store?

Air filters are rarely found in computer stores, often in electronic components stores like chip-and-dip. However, there is little choice. Making a home filter from scrap materials is cheaper and takes less time than running around shopping. Well, it brings more pleasure, yes.

Well now slides

Socket 370. Used female nylon stocking, steel wire bow and 4 ties. The handle is needed to increase the filter area and to ensure that the filter is not sucked into the fan. Before cleaning, a two-year layer of dust is visible.



In the BP before the 12cm fan. Medical mask used (inner layer only), reinforced adhesive tape. The dust has just been vacuumed, but a strip of dust is visible at the bottom where it couldn’t get through with the vacuum cleaner.




In a vertical power supply unit on blowing. Used medical gauze, adhesive tape stationery. All openings and slots are sealed with transparent tape to prevent air from blowing past the filter. Before cleaning, a two-year layer of dust is visible.

Finally, some tips:

• Do not use too dense materials such as vacuum cleaner bags. Before you use any material, try to breathe through it.
• The filter design should exclude the ingress of matter into the fan blades and its stopping. Blocking the fan can lead to sad consequences.
• Reduce the fan speed to a reasonable minimum. The less air is pumped, the less dust accumulates.
• Perhaps the reduction in air flow will have to somehow compensate. For example, put the thermal grease better.
• Fans of aggressive modding may be interested in nulevik filters in car shops.