Inlet Check Valve Cartridge Back Catalog number: CTS-0621 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-5559 Priming Syringe Needle Price on request CTS-11119-02 Head Plunger Seal, 2/pk Price on request CTS-0038 Tube, Right Inlet Pigtail Price on request