Primacell* 1 Rat Fat FibrOut* 1 kit^ Kit, Primacell* 1 Rat Fat FibrOut* 1: Fibroblast Inhibitory System (for 500 ml medium), A mixture of cis-OH-proline, ricin toxin, gentamycin and formulated serum substitutes, Stability/Storage: Stable at the room temperatures, stored at 4 to 8 deg C.