Check Valve Cartridge, 2/pk Back Catalog number: CTS-A094 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10532 Seal Wash Face Seal Price on request CTS-A096 Syringe Assembly, 250μL Price on request 11-4121 Ceramic Plunger Holder Assembly, LC-10ADvp Price on request