Plunger Seal Back Catalog number: CTS-10693 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21406 Peristaltic Pump Cartridge, WPS/AC Price on request CTS-A11151 Needle Assembly, PEEK™ Price on request CTS-21109 Capillary, 600mm x 0.17mm ID Price on request