Globe Scientific 113142R Cap Snap 12/13mm, PE for Vacuum and Test Tubes, Red

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. The caps feature a single thumb tab for easy removal and close nesting in tube racks.

Features

• Ecomical way to recap glass tubes, regardless of manufacturer
• Caps can be written on with indelible ink for easy sample identification
• Prevents spills and evaporation by employing a liquid tight seal