Check Valve, Secondary Inlet Back Catalog number: 11-1600 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-1601 Seal, GFP, High Pressure, Piston Price on request PL7050350 MarvelXACT PLS 50µm x 350mm Price on request CTS-10984 Sparge Diffuser Price on request