This dirrect connect guard column provides economical protection from the harmful effects of sample, mobile phase particulates and soluble contaminants on modern HPLC and UHPLC columns. The low swept volume of this guard column maintains the efficiency of high performance columns assuring a negligible loss of critical resolution. With its simple design, this guard column installs in any analytical column in seconds.

Port and Male compatibility:

Halo compatible:  works for Halo, Parker, Agilent, and most other manufacturers except Waters.  It would still be used with Waters, but with extra space at bottom of port.

Waters compatible:  works for Waters

How to tighten Guard Column Holder to Column:  Simply tighten the guard column housing assembly with a 7/16" wrench until it is snug, followed by an additional 1/4 turn.

Maximum torque to tighten Guard Column Holder Male Housing to Female Housing:  Approximately 5-6 ft-lbs.