Measurements:

 

 

PTFE MEMBRANE:  100%  (CAS No. 9002840)
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)
IP RATING: 64,67 (BS EN 60529: 1992)
FILTRATION EFFICIENCY: 0.4μ (IEST RP-CC007.2 200)
OLEOPHOBIC GRADE: 8