Oxygen Concentrators are unique stationary concentrator that reduce operating costs, enhance patientsâ safety and improve results. They are lightweight devices come in smaller and sleeker design. They are easy to store and transport devices available in durable design with low maintenance features to provide the best results for years to come. With compact and ergonomic design, these Oxygen Concentrators are sure to take up less space. In addition to this, they consume less power and produce less heat. These patient-friendly devices come without any filters for the patient to change.