Check Valve Cartridge, 2/pk Back Catalog number: CTS-A094 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-3602 Tubing, Pump Outlet, GP Price on request 11-1602 Seal, Polyethylene, High Pressure, Piston Price on request PL7050350 MarvelXACT PLS 50µm x 350mm Price on request