These 20x20x4 inch HEPA filters are much better than standard 1 inch a/c filters. They are the right size for putting on your box fan. http://www.ushomefilter.com/products/air-filters/SC80-20X20X... Shipping is free,…
A year is a long time to suffer from invasive fungi, and if the toxicity of your air is, in any way, threatening your health, then you can build a very effective air purifier, which is better and cheaper than the store…
Robert X. Cringely's NerdTV Interview... amazing stuff http://archive.org/details/nerdtv011
These 20x20x4 inch HEPA filters are much better than standard 1 inch a/c filters. They are the right size for putting on your box fan. http://www.ushomefilter.com/products/air-filters/SC80-20X20X... Shipping is free,…
A year is a long time to suffer from invasive fungi, and if the toxicity of your air is, in any way, threatening your health, then you can build a very effective air purifier, which is better and cheaper than the store…
Robert X. Cringely's NerdTV Interview... amazing stuff http://archive.org/details/nerdtv011