SiliCycle SiliaChrom Plus HPLC Guard Cartridges, C18, 3 um, 100 A, For Use With: HPLC Columns from 4 to 4.6 mm ID, Removal of Contaminants Prior to HPLC Injections, Diameter: 4.0 mm, Length: 10 mm, Particle Size: 3 um, Carbon Load: 0.15, Column Format: An
