Model 3100 and 3200 Liquid Pump Systems are each a complete peristaltic system, including 25 ft. of general PVC tubing to connect the pump to your application, six silicone tubing cartridge assemblies, pump and pump head. The systems have no seals or valves that can leak. They are able to run dry, and are self-priming and sterilizable. Call 847/676.8800.