These PYREX® columns are designed for general chromatographic analysis.

• Tops are tooled for a No. 00 rubber stopper fit
• Tubes are fabricated with sealed-in coarse porosity (40 to 60 µm) fritted discs

The outflow tubes are large in Ø to eliminate the smearing of the definition bands of effluent caused by the tube being filled and the solvent mixed before being expelled. The outflow tubes are long enough to protrude through a rubber stopper.