NON-RETURN-VALVE, O 12-13-15mm Back Catalog number: 419 Availability: In the manufacturer's stock Price on request - + Recommended B-2P4T Brass Quarter-Turn Instrument Plug Valve, 1/8 in Price on request 1301533811 Solenoid Valve 24VDC Price on request SS4CPA2RT50 Stainless Steel 1PiecePCPA Adj Check Valve Price on request