250 μL Syringe, High Pressure Back Catalog number: CTS-21469 Availability: In the manufacturer's stock Price on request - + Recommended 11-4052 Needle Seal, SIL-30AC, SIL-30ACMP Price on request 11-1598 Check Valve Assembly, Inlet Price on request CTS-5656 Sapphire Plunger Price on request