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Corning™ Pouring Rings Available on GSA/VA Contract for Federal Government customers only.

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Closure Size:
GL 32
GL 45

For drip-free pouring

  • Fits on the lips of PYREX™ media bottles with GL45 threads
  • Polypropylene rings are autoclavable at 121°C
  • High-temperature ethylene tetrafluoroethylene rings can be dry heat sterilized up to 180°C
  • All rings are reusable, nonsterile

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Certifications/Compliance ISO 9001:2008
Color Clear
Diameter (English) Inner Neck 1.6 in.
Diameter (English) Outer Neck 1.77 in.
Diameter (Metric) Outer Neck 45 mm
Diameter (Metric) Inner Neck 41 mm
Material Polypropylene
Quantity 50 Pk.
Sterility Non-sterile
For Use With (Equipment) Used with Plastic storage bottle
Closure Size GL 45
Neck Finish GL45
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