NON-RETURN-VALVE, O 12-13-15mm Back Catalog number: 419 Availability: In the manufacturer's stock Price on request - + Recommended SS4CPA2RT50 Stainless Steel 1PiecePCPA Adj Check Valve Price on request MXP7900-000 MX series II Two-position, six-port valve, DL Price on request 1452-0202 Pinnacle Valve Maintenance Kit Price on request