The Puritan Benette BP840 is a refurbished ventilator that has been fully serviced and tested to ensure it is patient ready. This ventilator is a reliable and cost-effective solution for healthcare facilities in need of respiratory support equipment. It features a user-friendly interface and a range of ventilation modes to meet the needs of a variety of patients. The BP840 also includes an alarm system that alerts healthcare providers to any changes in the patient's condition. With its compact design and portability, this ventilator is ideal for use in hospitals, clinics, and other healthcare settings.