Bio Plas Uni-Flex™ Safety Caps for Culture & Test Tubes

Uni-Flex™ safety caps are used with blood collecting and disposable culture tubes. They are color-coded for easy specimen identification and to help guard against cross-contamination. The top of cf the cap can labeled with permanent ink pens. Self-locking cap holds firmly in any position and keeps contents secure in transport. Liquid-tight seal will stand up to centrifugation, shaking, and freezing.