Brief introduction: The prosable oxygen mask without oxygen tube is constructed to supply oxygen or other gases to a patient, and it should be used together with oxygen supplying tube usually. The oxygen mask is made from PVC of medical grade, consists of face mask only. Features: 1. Be light in weight, they are more comfortable for patients to wear; 2. Universal connector(luer lock) is available; 3. Smooth and feathered edge for patient comfort and reducing irritation points; 4. CE, ISO approved.