The Arjo Flowtron ACS900 Continuous Sequential DVT Pump is a portable compression therapy pump designed for the prevention and treatment of Deep Vein Thrombosis (DVT) in general surgery patients. Manufactured by ArjoHuntleigh, this pump offers both audible and visual alarm signals to ensure proper functioning and safety during use. With its continuous sequential pumping action, the Arjo Flowtron ACS900 effectively helps in improving blood circulation and reducing the risk of DVT formation in surgery patients, making it an essential tool in the healthcare industry for enhancing patient care.  Pls ask any questions.  This was purchased at a medical outpatient office auction.  Cannot ship to Canada or Mexico