Answer
May 18, 2020 - 04:29 PM
ASTM Levels refer to the test results for Bacterial Filtration Efficiency, Particulate Filtration Efficiency and Resistance to Fluids in particular. Level 3 is the highest ASTM level.
Please see the below link for more details:
https://www.nelsonlabs.com/en14683-ha...
Thank you!
Please see the below link for more details:
https://www.nelsonlabs.com/en14683-ha...
Thank you!