Check Valve Assembly, Inlet Back Catalog number: 11-1598 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-2891 PTFE Diaphragm, 2/pk Price on request CTS-3209 Syringe Seal, 250μL/2500μL Price on request 11-4152 Tubing D-L Assembly Price on request