Check Valve Cartridge, 2/pk Back Catalog number: CTS-10493 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21280 Lamp, ACQUITY Arc/UPLC PDA Performance Maintenance Price on request CTS-21480 Check Valve, Cartridge Price on request CTS-21044 SUS Tubing B Price on request