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 1002734380 1/4 " Flow Check Valve for Aq37X Price on request 1452-0202 Pinnacle Valve Maintenance Kit Price on request