NON-RETURN VALVE, O 8-9-10mm Back Catalog number: 418 Availability: In the manufacturer's stock Price on request - + Recommended SS4CPA2RT50 Stainless Steel 1PiecePCPA Adj Check Valve Price on request SSAC6WE Rotor seal 6 port 2-pos W-valve, 1/16*.4mm Price on request CTS-A083 Rotor Seal, Vespel Price on request