Priming Syringe Needle Back Catalog number: CTS-5559 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-A117 Inlet Check Valve Price on request CTS-11121-02 Wash Seal, 2/pk Price on request CTS-A11431-02 Cartridge Check Valve Housing, 2/pk Price on request