For some, pulse flow oxygen does not provide enough oxygen throughout the day. Many individuals rely on continuous flow concentrators, which provides a constant stream of oxygen.
A continuous flow oxygen concentrator does not change as a breath is taken, and will only remain on the setting you chose to use.
Continuous flow POCs provide anywhere from 1 LPM to 5 LPM depending on your personal needs. These units can also be used 24/7 depending on the instructions from your doctor.
There are some units that are both pulse and continuous flow, and some that are only continuous flow. Many of these units are continuous flow, but the ones that are bold are also pulse flow:
Depending on your oxygen needs will determine if you can get a pulse flow or continuous flow POC.