Amonoy Best Sale Oxygen Breathing Machine for Home and Medical Use
Standard Features:Low Noise Design; HEPA filter; Flame retardant function; Power failure alarm; Temperature alarm; suit for 24 hours operation;20000 hours long working life
An oxygen concentrator is a medical device that gives you extra oxygen. Your doctor may prescribe one for you if you have a health condition that causes your oxygen level to drop too low.
It can help some people who have trouble breathing due to conditions like:
Asthma
Lung cancer
COPD
The flu
COVID-19