Check Valve Assembly, Inlet Back Catalog number: 11-1598 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-11435 Seal, Needle PEEK™ Price on request CTS-21010 Cartridge Check Valve Housing, 2/pk Price on request 11-4073 LC-30AD Plunger Holder Assembly, UHP2 (w/Diaphragm Price on request