Outlet Check Valve Back Catalog number: CTS-A157 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-4179 HPV Rotor, SIL-30AC, SIL-30ACMP Price on request CTS-10583 Plunger Rinse Seal Price on request CTS-21089 Needle Seal (For pH 1-14, for operation up to 130 Price on request