Cartridge Check Valve Housing, 2/pk Back Catalog number: CTS-21010 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-3209 Syringe Seal, 250μL/2500μL Price on request CTS-21526 Jig, Diaphragm Price on request CTS-A11133 Tube Assembly, Transducer to Check Valve Price on request