NON-RETURN VALVE, O 8-9-10mm Back Catalog number: 418 Availability: In the manufacturer's stock Price on request - + Recommended CTS-A083 Rotor Seal, Vespel Price on request B-2P4T Brass Quarter-Turn Instrument Plug Valve, 1/8 in Price on request SS4CPA2RT50 Stainless Steel 1PiecePCPA Adj Check Valve Price on request