Introducing our factory-built 2021 Hot Sale Mini Portable medical molecular sieve oxygen generator with ZY-1SW CE ISO certification. This cutting-edge device is meticulously designed to provide reliable and efficient oxygen generation for medical purposes. Compact in size, it can be easily carried and used both indoors and outdoors. Crafted with high-quality materials, this oxygen generator ensures durability and long-lasting performance. With its advanced molecular sieve technology, it efficiently filters and separates oxygen from surrounding air, delivering up to 93% pure oxygen. Experience convenience, safety, and enhanced well-being with our factory-certified oxygen generator!