Cogent Bidentate C18, 100 x 2,1mm, 4µm Back Catalog number: 40018-10P-2 Availability: In the manufacturer's stock Price on request - + Recommended 15-04-05497 EXP2 Pre-Column Holder and (3) Filter Cartridges, 2μm Price on request 11-1604 Line Filter Frit,Thermo Scientific,00950-30009 Price on request 15-04-05259 EXP2 Filter Cartridge, 3mm, 2µm, 5/pk Price on request