My collaborator Gus Tate suggested we work with our HEPA manufacturer to get smaller, square HEPAs. Now we’re convinced the DIY filter just got a lot cuter: Cute and kicks PM 2.5 in the pants.
Category: Filters
Recent Filters Articles:
Filters and Fetuses
I don’t meant to be sensational, but I just got a picture from a friend of a friend who is pregnant and just started using the DIY filter three days ago. The filter is turning black already. Read more: Air Pollution Effects Fertility and Newborn Baby Health Air Pollution Effects Fertility and Newborn Baby Health After all, […]
Q&A: How Long Can HEPA Filters Last?
passport4adragon 提问: Hi, I’m in Shanghai and recently put together your DIY purifier and bought the same fan and filter you suggested – I think it’s working! A couple of questions – I bought the exact same filter you did on Taobao – how often should it be replaced if I run the purifier every […]
DIY Filter Compared to Expensive Filters
UPDATE: I now have directly comparable data with the DIY Filter, Blue Air, and Philips: Direct comparison tests. In earlier posts (1, 2), I showed that you can make effective an DIY filter to clean air pollution out of your home. But just because it is effective doesn’t mean it’s as effective as the Ferrari filters. How […]
DIY HEPA Filter over Time
Does the DIY purifier work? Test results (1, 2) give a conclusive answer, but this series of pictures gives a visceral answer. I took a picture of the HEPA about every seven days for four weeks. Glad that black gunk’s not stuck in my lungs instead. In static form, here’s Week 0 and Week 5:
China
India
Mongolia
Bangladesh
Philippines
Global
