Check Valve Cartridge, Ceramic, 2/pk Back Catalog number: CTS-21463 Availability: In the manufacturer's stock Price on request - + Recommended 11-1600 Check Valve, Secondary Inlet Price on request CTS-3209 Syringe Seal, 250μL/2500μL Price on request CTS-11312 PEEK™ Rotor, HPV Price on request