Needle Seal O-Ring, 002 Kalrez Back Catalog number: CTS-11149 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-3795 Sapphire Plunger w/Holder Price on request 11-4134 Rotor Seal & Pod Repair Kit, Vespel, 3-Groove for Price on request CTS-10548 Gold Plunger Seal, Analytical Heads Price on request