Blogger and researched article author Ethan Brooke has tested and tried many air quality monitors so we definitely trust his judgement. He admits – that AIRVALENT is definitely the smallest (he even used the term: ultra-small) air quality monitor on the market!


You can read more in his article here: https://breathesafeair.com/carbon-dioxide-monitors/ .
Dalies:
Comparing 3 Air Quality Monitors: AIRVALENT, Aranet, IQAir
Bad Quality Sleep? Feeling tired?