Cartridge Check Valve System Kit Back Catalog number: CTS-21011 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-5464 Clip Ring, Plunger Retainer Price on request PL7025600 MarvelXACT PLS 25µm x 600mm Price on request CTS-21264 Uncoated Needle Kit Price on request