Domus 3 Medical Air Mattress - Advanced Pressure Ulcer Prevention System The Domus 3 air mattress offers a comprehensive medical solution specifically designed for the prevention and treatment of pressure ulcers, from stage I to stage III. The mattress utilizes an advanced air cylinder system that dynamically redistributes body pressure, ensuring effective blood circulation and protecting sensitive tissues. Thanks to its durable American design, this mattress provides exceptional support for patients whose health condition requires them to remain in bed for extended periods. The product is new and unused.