Recap blood drawing tubes, disposable glass test tubes, and plastic culture tubes. Protect from aerosols of highly infectious organisms such as TB and the HIV virus. Guard samples against cross-contamination, and lab work areas against infectious agents and mess.
Information can be written directly on cap with indelible ink
Ensure integrity of serum samples after freezing or en route to reference labs
No precutting required
Won't pop or crack when frozen
Provide liquid-tight seal will not aerosol when opened
Hold fast under most rigorous procedures including agitation, centrifugation, refrigeration, and freezing
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