Flow range: 1-7L
Oxygen Concentration: 93% at most
Sound level:40dB
Additional : Nebulizer kit included

Functions : timer, voice broadcast, touch screen, oxygen generating for more than 24H, add more water to continuously generate oxygen. Flow range can be changed from 1-7L

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Benefits : Unlimited supply of Oxygen, Hassle free in refilling large oxygen tanks,User friendly interphase, gives you safety and peace of mind.