Measurements:

 

 

 

PTFE MEMBRANE:  100%  (CAS No. 9002840)
PORE SIZE (mean capillary flow): 4 Microns (nominal)
AIR FLOW: Min 14, Typical 35 (l/hr/cm² Δp 70mbar)
WATER ENTRY PRESSURE (WEP): Min 70, Typical 245 (mbar)
THICKNESS: 3.0 (mm ±0.25mm)