SecurityGuard offers a convenient and economical way to extend HPLC column lifetimes Did you know a common cause of high backpressure, split peaks, broad peaks, baseline noise, baseline drift and loss of resolution is contaminants? The fact is all mobile phases contain some chemical contaminants or microparticulates, from the sample, solvent, or wear on the polymeric seals of the pump or injector. These contaminants can clog frits, irreversibly bind to an HPLC column, degrade performance, and even damage the flow cell. SecurityGuard™ is a universal HPLC guard cartridge system designed to effectively (and inexpensively), protect all your valuable analytical columns from the damaging effects of chemical contaminants, without altering your chromatographic results. SecurityGuard cartridge system provides the following advantages: Universal Phases, No Change in Chromatography Universal Fit Provides Universal Compatibility Direct-view Feature for Easy Changing Ease of Cartridge Selection Phenomenex also offers an interactive web application where users can enter their HPLC column information to find the most appropriate column protection system. Visit the interactive selection tool at www.phenomenex.com/guardit