Brand New! Includes: Unit, Column Performance Report, Original Box Box has damage as shown Silica : 3 Series High Purity Silica Gel Particle Size : 2 μm, 3 μm, 4 μm , 5 μm, 10 μm Surface Area : 450 m2/g Pore Size : 100 Å (10 nm) Pore Volume : 1.05 mL/g Functional Group : Octadecyl End-capping : Yes Carbon Loading : 15 % USP Code : L1 pH Range : 2 – 7.5 Please see photos for details. Thank You For Viewing Our Item.