Outlet Check Valve Back Catalog number: 11-4063 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended 11-1239 Ferrule, 1/16", SS, 10/pk Price on request CTS-21192 Cartridge, BioAcquity, I2V Price on request 11-2525 1/4" Short Comp. Screw (Gold-Plated), 10/pk Price on request