Check Valve Cartridge, 2/pk Back Catalog number: CTS-A094 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended PS7100350 MarvelXACT™ PEEKsil™ 100µm ID x 350mm Price on request 11-4122 PTFE Diaphragm, LC-30AD/i-Series, 2/pk Price on request 11-4150 Tubing D-R Assembly Price on request