DONeX, SPE Clean-up Cartridge for DONAnalysis,25ks Back Catalog number: 12792 Availability: In the manufacturer's stock Price on request - + Recommended PL3540-D603VP VariPure IPE 100mg/3mL, 50/pk Price on request 12337 Column Adapter for Elufix glass cartridges,needed Price on request 13542 Empty Glass Column, Borosilicate glass, 6mL; luer Price on request