Pump Seals, Low Pressure Back Catalog number: CTS-10772 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21089 Needle Seal (For pH 1-14, for operation up to 130 Price on request CTS-A125 Inlet Check Valve Assembly Price on request CTS-0721 Outlet Check Valve Assembly Price on request