Priming Syringe Needle Back Catalog number: CTS-5559 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21480 Check Valve, Cartridge Price on request PL7025600 MarvelXACT PLS 25µm x 600mm Price on request CTS-21463 Check Valve Cartridge, Ceramic, 2/pk Price on request