Hexa-Flex 8355 Safety Cap for 10mm, 12mm, 13mm, 16mm, 18mm Blood Collection and Culture Tube, Red (Pack of 500)

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

• Fits a variety of tubes, including 10,12, 13, 16 and 18mm sizes of blood collecting and disposable culture tubes
• Liquid-tight seal prevents sample evaporation. The Hexa-Flex Safety Cap is designed to hold under centrifugation, agitation, refrigeration and freezing
• Easy identification of samples. Hexa-Flex Safety Caps are available in seven colors that conveniently correspond to blood collection cap colors
• Lock securely onto, or into, 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