ECO columns are competitively priced glass columns for almost all types of soft gel and low pressure (pressure limits 5 to 30 bar, depending on diameter) liquid chromatography application. With a choice of one or two adjustable length plungers, it is available in two forms: AB (Aqueous Buffer) versions for use with aqueous buffers and cold room applications and SR (Solvent Resistant) versions for all forms of normal and reversed phase chromatography. A water-jacketed option can be supplied on request.