Inlet Check Valve Back Catalog number: CTS-21145 Availability: In the manufacturer's stock Price on request - + Recommended CTS-11371 ACQUITY I2V BSM Performance Maintenance Kit Price on request CTS-21155 Capillary, 300mm x 0.17mm ID, w/Fittings Price on request CTS-10285 TFE 3-Way Valve 4 (V4) Price on request