Primary Check Valve, 1/pk Back Catalog number: CTS-21863 Availability: In the manufacturer's stock Price on request - + Recommended 5067-4798 Replacement Vacuum Chamber 1 481,88 € 5062-2483 Solvent tubing, 5m, 1.5mm id, 3mm od 40,45 € CTS-21189 Spring, Turbo V™ Source Price on request