• Product 38 - GL45 Membrane screwcap.jpg

GL45 Membrane screwcap

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Brand: Pyrex

Product Details: Ideal for aerobic microbiology

This GL45 polypropylene screwcap has an integral gas permeable membrane which allows a vessel to be autoclaved with the screwcap tightly fastened.

  • Polypropylene screwcap with integral 0.2μm PTFE membrane
  • Gas permeable membrane permits pressure equalisation allowing glassware to be sterilised using an autoclave with the screwcap fastened
  • Provides a tight seal that prevents the ingress of liquids or solids
  • Ideal for aerobic microbiology and cell culture
  • Suitable for storage and transport of gas generating media
  • Autoclavable
  • Temperature resistant to 140°C

 Variant and Specifications:

Item Code

Thread size (mm)

Packing (pc)


GL 45