Cartridge Check Valve Housing, 2/pk Back Catalog number: CTS-A11431-02 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-2642 Needle Port Seal, AS-100, ASI-100T Price on request PL7025600 MarvelXACT PLS 25µm x 600mm Price on request CTS-21164 Rotor Seal, 6 port, Rear Price on request