Insert Acetal N-Valved Back Catalog number: 1002734873 Manufacturer: YOUNG LIN INSTRUMENT Availability: Currently unavailable Price on request - + Recommended 0840.712 Syringe valve including valve bush Price on request 1002734380 1/4 " Flow Check Valve for Aq37X Price on request SS4CPA2RT50 Stainless Steel 1PiecePCPA Adj Check Valve Price on request