Plunger Seal and Back Up Ring Back Catalog number: 11-4126 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-21278 Rotor seal, Injector Valve 1300 bar, G7167B Price on request CTS-21469 250 μL Syringe, High Pressure Price on request CTS-21406 Peristaltic Pump Cartridge, WPS/AC Price on request