Peristaltic Pump Cartridge, WPS/AC Back Catalog number: CTS-21406 Availability: In the manufacturer's stock Price on request - + Recommended CTS-11380 2690/2695 Performance Maintenance Kit w/Seal Pack Price on request CTS-A11142 Tube Assy, Inject Outlet Price on request CTS-6613 Black Plunger Seal Price on request