Instruction:                                                                                                       

· Ensure that it is used during the period of sterilisation.                                                                       

· Open the package and take out the components of the oxygen mask.                                                               

· Connect the components and connect the connector to the oxygen source.                                                              

· Fix the oxygen mask on the bridge of the nose ,and adjust the elastic belt until fell comfortable.                               

· Fasten the aluminum clip to prevent oxygen from leaking into the eyes.                                                           

· If the patient feels stuffy, then  cut off the exhaust holes on both sides.                                    

Attention:                                                              

· This product is ethylene oxide sterilization, valid for two years. 

· This product is limited to one-time use and is destroyed centrally after use.