Package Contents: You will receive 10 10 ml graduated test tubes
Precision-Graduated Sample Containers: These 15mm diameter test tubes include clear 1-10ml measurement markings for accurate volume readings. The crystal-clear polypropylene walls offer excellent visibility while resisting clouding from repeated freezing/thawing cycles
Leak-Proof 10ml Vials with O-Ring Seal: Our professional-grade plastic test tubes with caps feature integrated silicone O-rings that create an airtight seal, preventing sample evaporation and leakage even during long-term freezing
Reliable Performance: Each 95mm (3.74") storage tube maintains perfect integrity from -80°C to 120°C for reliable laboratory performance
Engineered for extreme conditions: Withstands ultra-low temperature freezing; Resists cracking under thermal shock; Maintains flexibility when frozen; Compatible with standard tube racks; Leakproof during transport