Outlet Check Valve Back Catalog number: CTS-A103 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-A11374 Tube Assy, SSV to I2V Price on request CTS-10548 Gold Plunger Seal, Analytical Heads Price on request CTS-21164 Rotor Seal, 6 port, Rear Price on request