| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| zengirl2 | "Looks like it retails for about $2,500. Here is the description and manual for it: http://metone.com/indoor-controlled-environments/controlled-envi..." | Read more » | about 7 years ago | |||
| zengirl2 | "One example would be an air monitor like HW Metone GT 321 Particle Counter. I know one of our community members is using this for readings. " | Read more » | about 7 years ago |