Yup! All the tests and methods are on smartairfilters and my Tumblr, Particle Counting: http://particlecounting.tumblr... The direct comparison tests with the big brands are here: http://particlecounting.tumblr...

Thomas here. I'm happy to see the word getting out that clean air doesn't have to cost $1,000. So far I've relied entirely on kind souls spreading the word because I don't want to make people pay for advertisements when they buy my filters, so I haven't paid for any advertising. I totally understand the commenters who are saying "this isn't an invention!" Some of the news articles have gone too far. One even called me a "genius." I really see this effort as less Thomas Edison and more Johnny Appleseed. I didn't really invent anything. I just "re-discovered" the simple fact that HEPAs cut particulate pollution, did systematic tests to demonstrate it, and tried to tell as many people as I could. My main motivation was the fact that so many people in China (myself included!) thought that reducing particulate pollution in the home has to cost $500 or $1,000. All of my tests and methods are on my Tumblr, Particle Counting: 1. Minute and hourly tests: http://particlecounting.tumblr... 2. Comparison tests with the expensive brands in the same room, same particle counter: http://particlecounting.tumblr... 3. Live test of the air coming out of the filter: http://particlecounting.tumblr... 4. Instructions for how to make your own: http://particlecounting.tumblr... Breathe safe!