BioBasic HPLC Column, SEC 300 Size Exclusion Chromatography, 20x50mm. Preparative, Standard, High Temperature Column, Max. Pressure: 4300 psi (300 bar), Particle Size: 5 um, pH: 2 to 8, Pore Size: 300ATemperature60 deg C, USP Type: L59, Stationary Phase: Diol, Dimension: 20x50mm