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NALGENE Cryogenic Vial Closure Color Coders Polystyrene Blue plastic disks fit into the top of 1.2mL 2mL or 5mL NALGENE cryogenic vial closures for quick identification. Disks remain firmly in place during storage in mechanical and liquid-nitrogen freezer
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NALGENE Cryogenic Vial Closure Color Coders Polystyrene Blue plastic disks fit into the top of 1.2mL 2mL or 5mL NALGENE cryogenic vial closures for quick identification. Disks remain firmly in place during storage in mechanical and liquid-nitrogen freezer
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