At the request of a couple Expats from both Saigon and Hanoi, I decided to do a test of the DIY Air Purifier in my bedroom. My main air purifier since August, 2016, has been the BlueAir 203. BlueAir is a popular brand in Shanghai, China, so it was a good choice for me. When I moved back to Saigon, Vietnam, I brought my BlueAir with me. I also started using the … [Read more...] about DIY Air Purifier Bedroom Test (with real person)