The ZY-1S CE oxygenerator1-7L portable oxygen concentrator is an innovative and efficient device designed to provide patients with a continuous supply of oxygen. This portable oxygen concentrator is powered by modern technology and can produce up to 7L of oxygen per minute. It is also lightweight and easy to carry around, making it ideal for use both at home and on the go. As a factory, we pride ourselves in producing high-quality medical devices that provide reliable performance and dependable service. The ZY-1S CE oxygenerator1-7L portable oxygen concentrator is no exception, providing value and assistance to patients with breathing difficulties.