Outlet Check Valve Back Catalog number: CTS-A121 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-A11135 50μL Std. Zirconia Mixer Price on request CTS-21085 Rotor Seal, 6 port, -COH Price on request CTS-11265 Kit S200 Standard Pump Seals Price on request