Most of our Cogent TYPE-C™ HPLC Columns are made with State-of-the-art, Column Hardware that contains Stainless Steel Frits that are held to the Column during manufacturing with caps that are made with high quality PEEK.

However, with a special order, all Cogent TYPE-C Analytical Columns that have a 2.1 or 4.6mm ID can be manufactured with all Stainless Steel Frits and Caps. These columns are CUSTOM manufactured and not kept in stock.