Description General description These columns are improved low-pressure columns (max. pressure 7psig) with unbreakable PTFE fittings and screw-thread connections for increased safety and economy. • Bottom tip breakage is eliminated because the valve and exposed drip-tip is all PTFE • GL-45 screw-thread connections ensure positive reliable connections • Eliminates frozen PTFE and glass plugs • Eliminates grease • Choose between standard columns or columns with a fritted disc The assemblies are supplied with bottom PTFE valve assembly, GL-45 cap, and flow controller. Solvent reservoirs and GL-45 connectors are sold separately. Legal Information EZ Safe is a registered trademark of Gerresheimer Glass, Inc.