Thermo Scientific HyPurity Drop-In Guard Cartridges, C18, 3 µm, 10 mm L x 1.0mm ID; 4/Pk

Drop-In Guard Cartridges will extend the life and performance of your column. These cartridges provide an economical and efficient way of trapping contaminants such as solvent and sample debris. Drop-in design makes for easy guard and column replacement—simply position between the injector and analytical column to remove damaging components before they reach the column. The 10-mm length offers maximum protection with minimal retention.