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Portable Oxygen Concentrators


We are an accredited and authorized distributors for the brands that we carry so you know that you are getting a great deal and a quality portable oxygen concentrator. Let our experienced staff help select the right concentrator for you. Please call us at 1-877-901-1464 if you have any questions.


Inogen One G2 Portable Oxygen Concentrator, Travel Oxygen Machine Sequal Eclipse Portable Oxygen Concentrator Respironics SimplyGo Portable Oxygen Concentrator Machine
Inogen One G-2, so small you will take it everywhere. Sequal Eclipse 3 Continuous Flow Oxygen Concentrator Respironics SimplyGo Oxygen Concentrator


Respironics Evergo Portable Oxygen Concentrator Machine Lifechoice Portable Oxygen Concentrator
Invacare XPO2 Portable Oxygen Concentrator Respironics Evergo Oxygen Concentrator Lifechoice Portable Oxygen Concentrator


DeVilbiss Igo Portable Oxygen Concentrator Oxus Portable Oxygen Concentrator Oxygen Concentrator System Rentals Faa airline approved
DeVilbiss Igo Portable Oxygen Concentrator Oxus Portable Oxygen Concentrator Oxygen Concentrator Rentals


How does it work?


The technology behind a Portable Oxygen Concentrator is based on the same principle as a home domestic concentrator. Air at barometric pressure contains 21% oxygen combined with nitrogen and a mixture of other gases. A miniaturised compressor inside the machine will pressurise this air through a system of chemical filters known as a molecular sieve. This chemical filter is made up of silicate granules called Zeolite. The Zeolite will sieve the nitrogen out of the air, concentrating the oxygen. Part of the produced oxygen is delivered to the patient; part is fed back into the sieves to clear the system of the accumulated nitrogen, making it ready for the next cycle. Through this process, the system is capable of producing medical grade oxygen of up to 96% consistently. The latest models can be powered from mains electricity supply, 12v DC (Car/Boat etc.), and battery packs making the patient free from relying on using cylinders & other current solutions that put a restriction on time, weight, and size.

Most of the portable oxygen concentrator systems available today provide oxygen on a pulse (on-demand) delivery in order to maximise the purity of the oxygen.

The difference between on-demand & continuous flow


Most portable oxygen concentrators are built from the size of a binocular case and weigh less than a couple of bags of sugar. The reason for this is because of the on-demand system. It allows the concentrator to be built with smaller components than that of a domestic concentrator. Because the patient only inhales oxygen when they breathe in, when exhaling oxygen is wasted. Therefore what manufacturers decided to do is build a machine that works on your breathing... only providing oxygen when necessary, keeping wasted oxygen to a minimum.

Most on-demand portable oxygen concentrators work on settings which are very much equivalent to a specific LPM (Litre per minute). To determine this, the machine works on a bolus system. The bolus size is measured in millilitres and is the "shot" of oxygen released upon inhalation. The size of the bolus on each setting is worked out based on the amount of oxygen inhaled if the patient was on continuous flow oxygen. Since oxygen isn't required when we exhale, oxygen is normally wasted; hence the reason behind this type of technology.

Technology has progressed in a way so that boluses can be made variable based on the patients breathing rate. This is particularly useful for using an on-demand machine whilst sleeping. Naturally the breathing rate slows whilst sleeping. A machine with a variable bolus detects a slower breathing rate; adjusting the bolus size so that its a longer shot of oxygen upon inhalation, but still maintaining the patients prescription of x amount of litres per minute.

It is not usually recommended that an on-demand device be used during sleep, however clinical studies have found that some on-demand portable oxygen concentrators are just as effective as a continuous flow oxygen concentrator. On-demand devices are not suitable for sleep for patients with the sleeping disorder sleep apnea.