The Cuboid: A DIY air purifier that's better than a box fan
<a href="http://imgur.com/a/u1Ti7" rel="nofollow">http://imgur.com/a/u1Ti7</a><p>You can also build your computer into an air filter like I did.<p>I'm currently running MERV 13 filters and it pulls over 100 CFM at a very livable noise level, currently equipped with Noctua NF-A12x25 fans.<p>The computer stays very cool but also incredibly clean.