Feline Serum: Collected from sexually mature, mixed sex, mixed breed cats. Physiochemical constituents are measured to ensure lot-to-lot consistency. Sterility tested Low Hemoglobin levels Sterile filtered to 0.2 µm Storage Conditions: -20°C + 5°C Unit Price Catalog Number Size 1-10 11-50 SF-0100 100 ml $295.00 Please Inquire SF-0500 500 ml $800.00 Please Inquire For use in research and manufacturing only. Not intended for direct use in diagnostic or therapeutic applications.