Particle Size:2.6 µm pH Range:2 to 8 Pore Size:80 Å Diameter:2.1 to 4.6 mm (Varies with model) Length:30 to 150 mm (Varies with model) Particle Shape:Spherical Solid-core Stationary Phase:Accucore C18 Packing Material:Spherical, solid core ultrapure silica End Capping:Yes