250 μL Syringe, High Pressure Back Catalog number: CTS-21469 Availability: In the manufacturer's stock Price on request - + Recommended 11-4181 Seal Wash (0.0787 ID, Fixed), 2/pk Price on request CTS-11149 Needle Seal O-Ring, 002 Kalrez Price on request CTS-5464 Clip Ring, Plunger Retainer Price on request