1100 Series Essential Pack, G1310A/G1311A Pump Back Catalog number: CTS-21586 Availability: In the manufacturer's stock Price on request - + Recommended 11-4063 Outlet Check Valve Price on request CTS-3209 Syringe Seal, 250μL/2500μL Price on request CTS-21406 Peristaltic Pump Cartridge, WPS/AC Price on request