The OPTI-LYNX™ Direct-Connect Trap / Pre-Column Holder System comes complete with the hardware you need to quick-connect to any 10-32 valve / port for trapping or analytical column for pre-column filtration. With Opti-Lynx, accessing and changing the insert takes only a quarter turn. Replace traps, filters or change configurations in seconds, without tools. OPTI-LYNX™ traps and filters (ordered separately) come in several bed volume/ diameter/ porosity combinations, allowing you to find your own balance between capacity and volume.