Rotor Seal, H-Assy, 6 Port 2-Position Back Catalog number: CTS-21171 Availability: In the manufacturer's stock Price on request - + Recommended CTS-10548 Gold Plunger Seal, Analytical Heads Price on request CTS-10573 Injection Valve Rotor Seal Price on request CTS-21406 Peristaltic Pump Cartridge, WPS/AC Price on request