NASA researched the air-purifying effect of plants back in the 1980s. One finding: the plant leaves collect pollutants, but the roots do the actual work.
Then in 2018 the call came from Houston: NASA congratulated the AIRY team on the successful product implementation based on the research results from 1989.
As a result, AIRY is featured on four pages in the NASA Yearbook 2019:
Here is the link to the online article: https://spinoff.nasa.gov/Spinoff2019/cg_7.html