Part No      Desc.

600220      Guard Column Assembly (Includes 3 Cartridges C18)

600230      Guard Column Assembly (Includes 3 Cartridges C8)

600240      Guard Column Assembly (Includes 3 Cartridges NH2)

600250      Guard Column Assembly (Includes 3 Cartridges Sil)

600260      Guard Column Assembly (Includes 3 Cartridges Phen)

600210      Guard Column Assembly (Includes 3 Cartridges CN)

600221      Guard Column Holder

612111      Cartridge (10/Bag), C-18

622111      Cartridge (10/Bag), C-8

632111      Cartridge (10/Bag), Silica

642111      Cartridge (10/Bag), NH2

652111      Cartridge (10/Bag), CN

662111      Cartridge (10/Bag), Phen