If you are already using our OPTI-LYNX™ Guard Column/Pre-Column Filter Kits and want to use OPTI-LYNX™ at the bottom of the column as well, upgrade with this kit. It includes everything you need to equip one end of any analytical column with straight-through quick-connect operation. It can be used alone or in conjunction with other OPTI-LYNX™ products. This product provides a quick-connect union solution and features a quarter-turn design rated to 6,000psi. It includes a Bayonet Connector, Holder Cap, Sealing Element Tube, the Sealing Element, and Fittings. True zero-dead-volume connections are guaranteed every use.