Inlet Check Valve Back Catalog number: CTS-A102 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10984 Sparge Diffuser Price on request CTS-12015 Rotor Seal & Pod Repair Kit, Vespel, 3-Groove, 3 p Price on request CTS-21010 Cartridge Check Valve Housing, 2/pk Price on request