Check Valve Assembly, Outlet Back Catalog number: 11-1599 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-2642 Needle Port Seal, AS-100, ASI-100T Price on request CTS-A11133 Tube Assembly, Transducer to Check Valve Price on request CTS-3209 Syringe Seal, 250μL/2500μL Price on request