Union, Column Coupler, Universal, Black, use with 1mm to 21.2mm columns. Hichrom Brand. 1 EA.
This convenient One piece, Column Connector is used to join two HPLC columns or a guard column and an analytical column in series.
Made of anodized Steel, this coupler is durable and can work with any column hardware including 1mm and up to 21.mm ID columns.