1/4 " Flow Check Valve for Aq37X Back Catalog number: 1002734380 Manufacturer: YOUNG LIN INSTRUMENT Availability: Currently unavailable Price on request - + Recommended 229 VACUUM RETENTION VALVE Price on request MXP7900-000 MX series II Two-position, six-port valve, DL Price on request CTS-A019 Manual Injection Valve Rotor Seal, Vespel® Price on request