Kit Primacell* 1 Human Airway OptiTDS* 1^ Kit, Primacell* 1 Human Airway OptiTDS* 1: Tissue Dissociation System, A mixture ofcollagenase I, collagenase III, collagenase IV, collagenase and trypsin, Stability/Storage: Stable at the room temperature, Stored at -20 deg C