250 μL Syringe, High Pressure Back Catalog number: CTS-21469 Availability: In the manufacturer's stock Price on request - + Recommended CTS-A138 Ceramic Plunger Assembly Price on request 11-4048 PEEK™ Needle Seal, SIL-30AC, SIL-30ACMP Price on request CTS-5531-05 Solvent Bottle Filter, 5/pk Price on request