Air Purifier

List.

https://docs.google.com/spreadsheets/d/1_KoOd4sH9aqmGaNYuHAE3YFfFxwCuuOupOgiFWlphxo/edit?usp=sharing_eip&ts=5aabf706

DIY

I bought this one because I'm desperate to get something in here and figure out if/how it works. But for I think I'll make the next one:

https://www.youtube.com/watch?v=ktUSd6lpm3M

https://www.youtube.com/watch?v=kH5APw_SLUU

https://www.youtube.com/watch?v=OVVGExTGCl8

https://www.youtube.com/watch?v=YJ7ZV_uAE_8

https://www.youtube.com/watch?v=PWMBpaKwm70

Though I'm not sure if it will come out much cheaper than $100 after factoring in the cost of a quiet, efficient box fan and a good HEPA filter. Still, worthwhile trying!