DONeX, SPE Clean-up Cartridge for DONAnalysis,25ks Back Catalog number: 12792 Availability: In the manufacturer's stock Price on request - + Recommended 13542 Empty Glass Column, Borosilicate glass, 6mL; luer Price on request 13460 Column Outlet, Long Tip, Reusable,direct transfer Price on request PL3540-P603VP VariPure(TM) IPE 1g/20mL, 25/pk Price on request