Peristaltic Pump Back Catalog number: CTS-21183 Availability: In the manufacturer's stock Price on request - + Recommended CTS-A11342 Tube Assembly, Transducer to Check Valve Price on request 11-2401 Check Valve Cartridge, Ceramic Ball & Seat, 2/pk Price on request CTS-A096 Syringe Assembly, 250μL Price on request