250 μL Syringe, High Pressure Back Catalog number: CTS-21469 Availability: In the manufacturer's stock Price on request - + Recommended CTS-11119-02 Head Plunger Seal, 2/pk Price on request CTS-10560 Seal Wash Plunger Seal, Alliance, 2/pk Price on request CTS-10788-5 Needle Wash Frit, 5/pk Price on request