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I know that computers need to have ventilation but I need to build a computer for someone that is not in the cleanest environment. Is there such a case that can help with that situation. Thanks.

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A few practical points that build on the DIY ideas already posted by and .

Keep filtered air where you want it and minimize leaks. Fit removable, washable filters on all intake openings and run the case with slightly more intake airflow than exhaust (positive pressure). That reduces dust being drawn through unfiltered cracks. Seal obvious gaps around drive bays and unused expansion slots with thin foam or tape so unfiltered paths are limited.

Watch temperatures after you add filtration. Any filter creates some airflow resistance; if CPU or GPU temps climb noticeably, either increase intake fan CFM, add an extra intake fan, or clean/replace the filter more often. Put the system off the floor (especially carpet) and away from the dirtiest work areas. Establish a maintenance routine: inspect filters frequently at first, then set a cleaning cadence (filter cleaning monthly is common in dusty spots), and remove settled dust from heatsinks and fans with gentle compressed air. When using compressed air, hold fans to prevent overspinning.

If the environment is extremely dirty (workshop, feedlot, etc.), consider a purpose-built sealed or industrial enclosure, a fanless/passive system, or a small filtered cabinet with one controlled intake and exhaust fan. Those solutions trade convenience and cost for real protection when household fixes are not enough.

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Member Avatar for 4th&3wood

I have a friend that has a similar problem with her computer, and I took a scouring pad and placed it in between the plastic front cover and the perforated metal of the case where the air is drawn in as a filter.

is what I used as a filter.

Member Avatar for jermaghs07

i have heard of a lot of people doing that. have you had any problems with ventilation? most of the people i have talked to have said buy a furnace filter and cut a little piece out.
furnace filters run about $3 and you can make a bunch of little filters out of it.

Member Avatar for 4th&3wood

It seems to be working well for my friend, I haven't seen any problems with restricted air flow. There are to case fans running, one on the other side of the filter drawing in air, and one exhausting.

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