Check Valve Cartridge, Ceramic Ball & Seat, 2/pk Back Catalog number: 11-2401 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-A117 Inlet Check Valve Price on request CTS-A096 Syringe Assembly, 250μL Price on request CTS-10584 Ceramic Plunger Assembly Price on request