Insert CoolCell Filler Vials into empty wells of CoolCell freezing containers when freezing less than a full batch of vials to ensure the desired freeze rate of -1°/minute. Compatible with CoolCell LX, CoolCell and CoolCell FTS30. Also suitable for other freezing containers that hold 2mL cryogenic vials. CoolCell Filler Vials contain glycerol and are reusable. Pack of 6 vials.
