Peristaltic Pump Cartridge, WPS/AC Back Catalog number: CTS-21406 Availability: In the manufacturer's stock Price on request - + Recommended CTS-0038 Tube, Right Inlet Pigtail Price on request CTS-10788-5 Needle Wash Frit, 5/pk Price on request CTS-0620 Outlet Check Valve Cartridge Price on request