1/4 " Flow Check Valve for Aq37X Back Catalog number: 1002734380 Manufacturer: YOUNG LIN INSTRUMENT Availability: Currently unavailable Price on request - + Recommended 0840.712 Syringe valve including valve bush Price on request 632444004000 Ventil zpětný, rovný 7805 Price on request 418 NON-RETURN VALVE, O 8-9-10mm Price on request