Innovative and universal screw-on guard column holder system Suitable for all analytical HPLC columns with 1/16″ fittings Ideal protection for your analytical main column → significant increase in column lifetime Minimised void volume → suitable also for ultra fast HPLC Special ferrules → pressure stability up to 1300 bar (18850 psi) Visual contamination check → in-time changing of the guard column Guard column length 4 mm, ID 2 mm (for main columns with 2 mm ID) or ID 3 mm (for main columns with 3, 4 and 4,6 mm ID) UNIVERSAL RP guard columns suitable for all HPLC columns under RP conditions Contents of the column protection system: Cartridge holder (1 piece) Capillaries (2 pieces) Ferrules (3 pieces) Wrenches (2 pieces) Manual Further attractive products to complete your chromatography laboratory can be found on our Chromatography page! Column Protection System Replacement parts