Rotor Seal, 2-Groove Back Catalog number: CTS-21163 Availability: In the manufacturer's stock Price on request - + Recommended 11-1599 Check Valve Assembly, Outlet Price on request CTS-21183 Peristaltic Pump Price on request CTS-6809 Mobile Phase Transfer Line, TFE, 3/16" OD x 1/8" I Price on request