Mini-Infuser Model 300XL Multispeed Infusion Pump, an Rx battery operated syringe infusion pump with an active time scale and rate selector switch; product codes 2M8171 and 2M8171R. || Product Usage: These product codes includes refurbished units. Intended for the controlled rate delivery of small volume parental fluids as prescribed by a physician. Usage: The Mini-Infuser System is designed for controlled intermittent administration of intravenous medication.