Maximize storage capacity with the space-saving Thermo Scientific™ Matrix 2D Barcoded Low Volume ScrewTop Storage Tubes, now available in a barcoded rack. These 200μL 2D Internally-threaded tubes maximize capacity in manual or automated storage systems. They can be used for storage in virtually any laboratory condition, from room temperature through the vapor phase of liquid nitrogen, while permanent 2D barcodes enable safe, secure tracking of valuable small-volume samples. Compatible with the complete line of Thermo Scientific 2D barcode readers, sample data can be integrated into existing database or tracking systems.