Swage type fittings are one of the most popular connectors which are available in metal and plastic forms; they are very useful for connecting similar or dissimilar materials, like metal to glass or metal to plastic.
Can be used to protect the TSKgel columns. When working with columns that contain smaller than 5 μm particles, Tosoh Bioscience suggests the installation of a pre-column filter in front of the (guard) column to avoid clogging the top frit.