NON-RETURN VALVE, O 8-9-10mm Back Catalog number: 418 Availability: In the manufacturer's stock Price on request - + Recommended 419 NON-RETURN-VALVE, O 12-13-15mm Price on request CTS-A019 Manual Injection Valve Rotor Seal, Vespel® Price on request 7010-071 Tefzel rotor seal for 7010 Price on request