Check Valve Assembly, Inlet Back Catalog number: 11-1598 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-2569 Seal Extension Tube Price on request CTS-20612 Plunger Seal, Black Price on request CTS-6809 Mobile Phase Transfer Line, TFE, 3/16" OD x 1/8" I Price on request