Cartridge Check Valve Housing, 2/pk Back Catalog number: CTS-21010 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-2324 Needle Wash Frit Price on request CTS-A11142 Tube Assy, Inject Outlet Price on request CTS-5559 Priming Syringe Needle Price on request