Injection Needle for direct elution into the EVApo Back Catalog number: 13544 Availability: In the manufacturer's stock Price on request - + Recommended 730446 Chromab. columns Alox N, 3mL, 500mg 150,02 € 730457 Chromab. columns Florisil, 3mL, 200mg 124,15 € 13542 Empty Glass Column, Borosilicate glass, 6mL; luer Price on request