Optimum® - ProSeries™ - STERILE Conical Centrifuge Tubes FreezeTech™ Temperature Indicator - Changes Color at 0°C • 20,000×g Max RCF Marked Directly on Tube • Hi-Viz™ Graduations, Including Maximum Freeze Line • Eco-Plastic Racks and/or Resealable Zip Bags • E-Beam Sterilized (SAL 10-6)
• *Ultra-Pure Polypropylene Certified Free of Trace Metals • Hi-Viz™ Graduations with Maximum Freeze Capacity Line • Resealable Zip Bags of 25 Tubes, or Individually Wrapped • E-Beam Sterilized (SAL 10-6) • RNase, DNase, and Pyrogen-Free