The cartridge filled with suitable type of sorption reagent, protects expensive HPLC columns from chemical contamination and microparticles contained in mobil phase or samples.
In case of need there is a room for efficiency increment . Just use two cartriges instead and connect them together with the steel ring.
The cartridge status should be controled visualy – contamination shows itself by darkening of the cartridge center. In that case It´s time to change cartridge immediately.
SecurityGuardTM could be connected with any standard HPLC female connection type column . Cartridges with various filling are cost-effective for allmost every application.