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An Affordable Air Purifier For Dusty Computer Labs?

Alcimedes writes "Our lab has a serious issue with dust. I've had a number of power supplies stop working because of dust clogging up the fans, and it's getting annoying. So I'm looking into some kind of small (under $500) air filtration system, and was wondering if anyone else out there has already gone down this road. If so, what did you buy and would you buy it again? I'd prefer something where I don't have to keep buying filters, but that may just be a pipe dream." Anyone with cats knows the feeling. Can you suggest a reasonably priced answer to dust-borne failure?

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  1. Slightly off topic by fatwreckfan · · Score: 0, Offtopic

    But what about the same type of thing for my PC? Air filtering cases are generally crazy expensive...any cheap alternatives for filtering the air into my PC? Cat hair does short work of fans.