Product Description

Now there's a safe, economical way to cap and recap blood collection tubes and disposable glass culture tubes, regardless of manufacturer. Hexa-Flex™ Safety Caps are available for a wide range of biomedical and industrial applications and fit different sized tubes.

  • Fits a variety of tubes, including 10, 12, 13, 16 and 18mm sizes of blood collecting and disposable culture tubes.
  • Liquid tight seal ensures sample integrity; prevents spillage of serum samples and sample evaporation.
  • Designed to hold under centrifugation, agitation, refrigeration and freezing.
  • Available in 7 colors that conveniently correspond to blood collection cap colors or for color-coding to particular R&D projects.
  • Easy identification of samples with color-coded caps to prevent sample cross-contamination.
  • Lock securely onto, or into, the tube lip to prevent evaporation.
  • Protect your laboratory staff from the aerosols of highly-infectious organisms such as TB and the HTLV-III virus.
  • Easy, one-hand removal and application. To close, press down firmly with thumb to lock in place. To open, simply pry cap up.


Foam Test Tube Rack and Tubes shown on the second image not included.


Manufacturer Bio Plas Inc
Country of Manufacture United States
Item Ships From California


Due to infection control concerns, the manufacturer is not accepting any non-defective product returns. This item is not able to be returned.


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Customer Questions
What are Hexa-flex safety caps made from? Are they autoclavable?
They are made from polyethylene and are not autoclavable.
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