Measurements:

 

 

 

PTFE MEMBRANE:  100%  (CAS No. 9002840)
BACTERIAL FILTRATION EFFICIENCY: >99.99% ASTM F2101¹ (nominal)
WATER ENTRY PRESSURE (WEP): Min 265, Typical 370 (mbar)
AIR FLOW: Min 45, Typical 75 (l/hr/cm² Δp 70mbar)
THICKNESS: 0.18 (mm ± 0.03mm)