Introducing our remarkable {ZY-1S CE oxygenerator1-7L portable Oxygen concentrator oxigen generator for breathing portable oxigen concentrator}! As a proud factory, we have carefully crafted this portable oxygen concentrator to enhance your breathing experience. With a compact design, it provides respiratory support wherever you go. Equipped with cutting-edge technology, this device effectively concentrates oxygen to fulfill your daily needs. With adjustable oxygen flow rates ranging from 1L to 7L, it allows you to customize your therapy as per your requirements. Rest assured, our product is CE certified, guaranteeing safety and quality. Trust us to provide you with a dependable and efficient oxygen solution!