Check Valve Cartridge, 2/pk Back Catalog number: CTS-10493 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10573 Injection Valve Rotor Seal Price on request 11-4179 HPV Rotor, SIL-30AC, SIL-30ACMP Price on request CTS-A096 Syringe Assembly, 250μL Price on request