Inlet Check Valve Back Catalog number: CTS-21145 Availability: In the manufacturer's stock Price on request - + Recommended 11-4073 LC-30AD Plunger Holder Assembly, UHP2 (w/Diaphragm Price on request 11-3889 Needle Seat Assembly, 0.12mm ID Price on request CTS-5531-07 Solvent Bottle Filter, 7/pk Price on request