Cartridge Check Valve Housing, 2/pk Back Catalog number: CTS-21010 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-A11151 Needle Assembly, PEEK™ Price on request PS7050600 MarvelXACT™ PEEKsil™ 50µm ID x 600mm Price on request CTS-A11095 Check Valve, Double Ball & Seat Price on request