Metrosep A Supp 20 Guard/4.0

The Metrosep A Supp 20 Guard/4.0 offers reliable protection for Metrosep A Supp 20 analytical columns by preventing contaminants from the sample or eluent from entering the separation column. Packed with the same stationary phase as the corresponding analytical columns and housed in a chemically stable PEEK body, this guard column safeguards column performance and extends the service life of the main analytical column without compromising chromatographic quality.