PTH-C18 Column, 0.8 x 250 mm (protein sequencing accessory) This is a protein sequencing accessory. For Research Use Only. Not for use in diagnostics procedures. Platform: Procise Protein Sequencer Product Size: 1 column Accessory Type: Columns Shipping Condition: Room Temperature Regulatory Statement: For Research Use Only. Not for use in diagnostic procedures. Store at room temperature.