Patent ID: 11879665
Assignee: MICROJET TECHNOLOGY CO., LTD.
Field: Chemical engineering (Chemistry)
Classification: CPC B  F | IPC F

Claim 9:
10. The gas exchange device according to claim 2, wherein the purification unit improves the air quality in the first space to one selected from the group consisting of the content of carbon monoxide to less than 35 ppm, the content of carbon dioxide to less than 1000 ppm, the content of ozone to less than 0.12 ppm, the content of sulfur dioxide to less than 0.075 ppm, the content of nitrogen dioxide to less than 0.1 ppm, the value of lead to less than 0.15 μg/m3, the content of total volatile organic compounds to less than 0.56 ppm, the content of formaldehyde to less than 0.08 ppm and a combination thereof.