Plunger Seal Back Catalog number: CTS-10694 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21406 Peristaltic Pump Cartridge, WPS/AC Price on request CTS-3195 250μL Syringe Tip Price on request CTS-21463 Check Valve Cartridge, Ceramic, 2/pk Price on request