This is amazing, not only a lower cost CPC for measuring mask fit and ultrafine particles in a room, but also a new probe to measure fit of a respirator without destroying it, check out the video from @openaeros and @masknerd to see how it works ( https://www.youtube.com/watch?v=R_P0gM5Gudo ). 🧵 1/

#N95 #CPC #OpenAeros #OpenCPC #Respirator #FitTesting #AirCleaner

Q+A / How to Post

The previous post's instructions you may have seen here is **not recommended anymore!** Instead, follow the steps below:... #cpcsupport #8020agang #niosh #8020a #8020m #8020 #tsi #m41pats #openaeros #fittest #fittesting #portacount #CPCSupport

https://fedia.io/m/CPCSupport/t/516540