Washer, PEEK™ for Check Valve Back Catalog number: CTS-21829 Availability: In the manufacturer's stock Price on request - + Recommended 0905-1420 PE-Pump Seal 2/PK 235,77 € 0100-2415 Seal-Rotor-Vespel 5-Groove 0.65in OD 250,51 € 5068-0007 2-pos/6-port, Rotor seal 826,94 €