Cartridge Check Valve System Kit Back Catalog number: CTS-21011 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-10548 Gold Plunger Seal, Analytical Heads Price on request CTS-21155 Capillary, 300mm x 0.17mm ID, w/Fittings Price on request CTS-21586 1100 Series Essential Pack, G1310A/G1311A Pump Price on request