[xapata]

Not exactly. To be comparable to the good air filter products, you'd want to build a cube of air filters and attach the fan so it pulls air through the cube. Fun DIY project, but it's not for everyone. There's a good YouTube video for it.

[alister]

The DIY cube air filter even has its own Wikipedia entry:

https://en.m.wikipedia.org/wiki/Corsi–Rosenthal_Box