Features and Functions：
1.Safe and reliable：After electrify, oxygen to produce, cut off the power,stop supply oxygena at once.
2.Economical: 0.4 KWH cost per hour , investment at one time, enjoy using for a long time .
3.Easy to use, with power and flow of air, oxygen concentrator can continuously produce oxygen all the day, using it at any time.
4.Application places: family, hospitals, nursing homes, plateau station, school, hotel, sports ground and beauty salon, etc.
5.Optional model：HK-A9020 HK-A9030 HK-A9050
Main technical parameters：
1.Produce oxygen：3L, 4L, 5L/min 2. Oxygen concentration：≥90%
3.The use of temperature:5-40℃ 4.Outlet pressure:0.04-0.06MPa
5. Noise：≤54dB 6.Dimensions：350x420x650mm
7.Net weight:23kg 8. Output power:360VA/400VA/450VA