Hypersil HPLC Column 20x100mm. Preparative column, Standard, Normal Phase/HILIC, Carbon Load: 0%, Max. Pressure: 4300 psi (300 bar), Particle Size: 5 um, pH: 2 to 7, Pore Size: 130A, Surface Area: 195m2/g, Temperature: 60deg C, USP Type: L3, Stationary Phase: Si, Dimension: 20x100mm