Restek's high-pressure in-line filter (Cat.no. 226-25041) is a stand-alone version of the Trident™ column protection system, specifically designed for ease of use, low dead-volume, and flexibility. The filter has a replaceable, PEEK®-encapsulated 316 stainless steel frit with a surface area of 12mm2. The standard frit with 2.0µm porosity may be replaced with an optional 0.5µm porosity frit. Tubing O.D. 1/16"; connectors - CPI.