Measurements:

 

 

 

PTFE MEMBRANE:  100%  (CAS No. 9002840)
PORE SIZE (mean capillary flow): 4 Microns (nominal)
AIR FLOW: Min 25, Typical 84 (l/hr/cm² Δp 70mbar)
WATER ENTRY PRESSURE (WEP): Min 30, Typical 120 (mbar)
THICKNESS: 1.0 (mm ±0.25mm)