Polyethylene Snap Cap for Vacuum and Test Tubes, 12/13 mm, Yellow

• These colorful snap-on closures are an effective way to recap blood drawing tubes, glass test tubes and plastic culture tubes.
• They are precision molded from low-density polyethylene (LDPE) and maintain a tight seal during centrifugation, agitation and refrigeration procedures.
• They are available in bright attractive colors for sample identification purposes.
• The caps feature two thumb tabs for easy removal of the cap.These pierceable caps are great for recapping vacuum blood tubes and test tubes.
• They are produced from santoprene (a rubberized material) and can easily be pierced with a syringe.

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