Column, ChromCart HPLC guard CC 8/4 NUCLEOSIL 100-5 length:8mm, ID:4mm pack of 3 suitable for analytical columns/Cartridge,s with 4 or 4.6mm ID:for EC columns by the use of guard Column, adapter EC (REF 721359)-for ChromCart Cartridge,s by the use o. 1 * 3 items