PYREX® No. 19 PTFE Standard Taper Keyhole Stoppers, Color-Coded

Description

These chemically resistant No. 19 PYREX® keyhole stoppers are made from polytetrafluoroethylene (PTFE) and conform to Standard Taper stopper dimensions. The color-coded keys make sorting and selecting the correct size much faster and easier. These stoppers may be used in place of conventional glass Standard Taper flask stoppers.

  One or more facilities manufacturing this product is 100% covered by renewable energy through the purchase of unbundled energy attribute certificates (EACs).