Oil Seal Back Catalog number: CTS-5669 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-1600 Check Valve, Secondary Inlet Price on request CTS-6809 Mobile Phase Transfer Line, TFE, 3/16" OD x 1/8" I Price on request PL7050150 MarvelXACT PLS 50µm x 150mm Price on request