CrossTOX® columns for Myc. Scr.for up to 16 toxins Back Catalog number: 17901 Availability: In the manufacturer's stock Price on request - + Recommended 20811 EluCLEAN PFAS – WAX, 500mg, 30 pcs Price on request 13544 Injection Needle for direct elution into the EVApo Price on request 13543 Empty Glass Column, Borosilicate glass,3mL;luer ti Price on request