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 CTS-A11329 Stator Face Assembly for 5063-6502 Valve Price on request 419 NON-RETURN-VALVE, O 12-13-15mm Price on request