SGT E-Line Super-CleanTM filters are designed to be used on all of GC gas lines to deliver 99.9999% pure gas. The system is tested for leak-tightness and the glass and metal construction of the cartridges eliminates diffusion of contaminants into the gas stream. Filters are available for oxygen, moisture and hydrocarbons. The Combi filter removes both moisture and hydrocarbons. The Triple filter removes moisture, hydrocarbons and oxygen and is available purged with Argon for standard applications or purged with Helium for MS applications. Estimated lifetime is typical more than one year. Filter with a dimension of 14.5 x 3cm features a quick change baseplate/cartridge design. During cartridge replacement, check valves close off the system to the atmosphere, further minimizing the entry of contaminants. Cartridges can be exchanged within seconds, during analysis, and without tools.