Sterile filtered, no preservatives. The product should be stored at -20℃ or lower upon receipt, and avoid repeated freeze-thaw cycles. Thaw in Rm & store at 4 °C for using.
1. 2°C to 8 °C for 2 weeks under sterile conditions;
2. -20°C for 3 months under sterile conditions;
3. -80°C for 24 months under sterile conditions.