Factory Direct Sales Muitiple Specifictions Frozen Storage Tube Screw Top Flat Bottom for Rapid Antigen Diagnostic
√Sealing test: in the status of -60kpa for 10mins, NO cap burst, NO leakage
√Working temperature: -196 °C~121°C
√Sample preservation, sample preserved and transported safely in condition of √Working temperatures at -196 °C (in liquid nitrogen only)