Philips Everflow Oxygen Concentrator Instruction 飞利浦家用氧气机 (latest)

Please visit www.aysia.com.my for more detailed information. A short intro to Philips Everflow Oxygen Concentration, know everything's basic you need to know on this machine, how to switch on this machine, where to place the humidifier and much more. 飞利浦家用氧气机，使用于非常需要长期氧气输送的人士， 可长时间运作， 高氧气量持续输出能力，具有空气加湿功能。