Kimax Chromatography Column Reservoir 2.3" x 12" w/ Accessories 500mLProduct Description This 500 mL glass chromatography column reservoir from Kimax is designed for reliable performance in laboratory separation processes. Made from high quality borosilicate glass, it features a 2. 3 inch inner diameter and a 12 inch effective length, ideal for holding solvents or buffers during chromatography. The reservoir includes useful accessories such as a glass stopper and adapter for easy integration with existing lab setups.