Hypersil BDS HPLC Column 50x150mm. Preparative column,xtendedLife, Reversed Phase, Carbon Load: 7%, Max. Pressure: 2000 psi (140 bar), Particle Size: 10 um, pH: 2 to 8, Pore Size: 145A, Surface Area: 185m2/g, Temperature: 60deg C, USP Type: L7, Stationary Phase: C8, Dimension: 50x150mm