Material Testing Laboratory Equipment

DURAN® GL Membrane Vented Screw Cap (LGW291181307)

From PP, blue, with welded-in PTFE, membrane for pressure equalisation

  • For all GL 45, GL 32 and GL 25 threads.
  • Ideal for autoclaving processes because the 0.2-micron ePTFE membrane permits pressure equalisation and tight sealing, greatly reducing the risk of contamination.
  • Ingress of liquids or solids is prevented and the bottle contents remain sterile.
  • Typical applications: storage or transport of gas generating media, autoclaving of media.

Cat. No.

DIN Thread (GL)d (OD) (mm)h (mm)

Pack Unit

29 239 13 07

29 239 19 07324124


29 239 28 09



Due to the continuous development of our products, the goods supplied may vary in detail to that illustrated on this Website.


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