Uni-Flex Safety Caps for 13mm Culture Tubes

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

• Will not aerosol when opened, hence protecting your laboratory staff from the aerosols of highly infectious organisms such as TB and the HTLV-III virus
• Liquid tight seal ensures sample integrity; prevents spillage of serum samples and sample evaporation
• Designed to hold under centrifugation, agitation, refrigeration and freezing
• Easy identification of samples: Uni-Flex® Safety Caps are available in seven colors that conveniently correspond to blood collection cap colors
• Stretchable, unique over-locking design is far superior to Parafilm™. Locks securely onto the outside of the tube lip to prevent evaporation.
• Easy, one hand removal and application. To close, press down firmly with thumb to lock in place. To open, simply pry cap up with thumb.
• Easy to label: Write directly on the cap with indelible ink
• Clear, natural colored caps are trace-metal free
• OEM product packaging