Plunger Seal Back Catalog number: CTS-21347 Availability: In the manufacturer's stock Price on request - + Recommended CTS-21406 Peristaltic Pump Cartridge, WPS/AC Price on request CTS-10770 Waste Valve, V3 (2 Way Solenoid Valve) Price on request PL7100600 MarvelXACT PLS 100µm x 600mm Price on request