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.

The Uni-Flex™ Safety Cap liquid tight seal ensures sample integrity and prevents spillage of serum samples. Uni-Flex™ Safety Caps are available in several colors which helps guard against sample cross-contamination and is convenient for color-coding to particular R&D projects. Uni-Flex™ Safety Caps protect your laboratory staff from the aerosols of highly infectious organisms such as TB and the HTLV-III virus.

• Will not aerosol when opened!
• 10, 12, 13 and 16mm sizes fit all varieties of blood collecting and disposable culture tubes.
• Liquid tight seal prevents sample evaporation. The Uni-Flex™ Safety Cap is 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 o
ver-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.