Across International Ai -40C 4.6L Capacity 316L SST Cold Trap W/ KF25 Ports ETLThe new Ai 3rd Gen 40C F T40 cold traps all come ETL certified, standard. They have a small footprint, but at the same time, offering you the same cooling power. New features include a large 316L SST 4. 6 liter trap, 316L corrosion resistant trapping layers and vacuum connections, PTFE encapsulated silicone sealing gasket, upward KF25 vacuum connections provide you safer and easier vacuum tubing connection and removal. No chilling fluid required, just