General-purpose fused silica column for semivolatiles, phenols, amines, residual solvents, drugs of abuse, pesticides, PCB congeners (e.g., Aroclor mixes.) Low polarity, crosslinked diphenyl dimethyl polysiloxane phase equivalent to USP G27 and G36. Designed for ultra-low bleed and improved S/N for high sensitivity GCMS analysis. Temperature range: -60 to 330/350C. Similar to Agilent Ultra-2, HP-5ms, HP-5msUI, Phenomenex ZB-5msi, Restek Rxi-5ms.