Because the number of Covid-19 patients is increasing and tend to have to wait longer in bed.Some people need home isolation (Home Isolation), making portable oxygen concentrators one of the hottest items these days.both bought for use at homeOr buy it to donate to various hospitals because this device can create pure oxygen for patients with lung conditions.Until the blood oxygen level drops to below 96%, it is one of the helpers to reduce the risk of death.Both devices are designed to provide oxygen to patients with respiratory problems.and help maintain stable oxygen levelsBut the two have differences as follows:In the use of portable oxygen concentratorsIt is absolutely necessary to obtain consent and use it only under the guidance of a physician.The patients who can use this machine are as follows:It is considered the most important factor when considering purchasing a portable oxygen concentrator.Because size and flow rate refer to the rate of producing and blowing oxygen from the machine to the patient.The 1 liter machine can be used in general.But if the size is from 3 liters or more, it must be advised and the proper flow rate of oxygen from a doctor first.which can be divided according to the capacity of the machine as followsThank you information fromoxygenconcentratorstore.com (1), (2) news18.com rehabmart.com (1), (2) apollo247.com indiatimes.com precisionmedical.com Facebook Link Care yuwellthailand.com cantamedical.com konsung.com longfian.com aertimedical.en owgelsgroup.com