Find the Used Oxygen Concentrator that is Best for You

So you're in the market for a portable oxygen concentrator, and you want to save some money by buying a used one. This is a great opportunity to get one of the best portable oxygen concentrators, at a much lower price than you normally would. We always offer used home oxygen concentrators that have been gently used or refurbished, but right now we are offering some of the best portable models, which have only been gently used.

Here we have an in-depth description of each used portable oxygen concentrator, along with a few reasons why each model may meet your oxygen needs and requirements. Keep in mind these are general descriptions for the model, but each used concentrator will be older or newer than the other. Be sure to reach the specifications for each used concentrator for the model you want. You can also get help from one of our customer sales representatives.

Sequal Eclipse 3

This is the second to newest model in the Sequal Eclipse series (the newest is the Eclipse 5). This concentrator is exceptional, because of the range of continuous as well as pulse dose settings, continuous flow from 0.5 to 3 LPM in 0.5 increments, and pulse dose from 16 - 96 in 16 mL increments, 128, 160 and 192 mL.

The only downside to this portable concentrator, is its inability to charge and run from a vehicle's power outlet, without draining the vehicle's battery. The Eclipse battery is compatible with every other model in the Eclipse series, and has a duration of 1.3 hours on the the highest continuous flow setting.

Inogen One G2 / with 12 or 24 Cell Battery

Our G2s with the 12 cell battery are on sale, as well as the used G2s with the 24 cell battery. The portables offer pulse dose settings from 1 to 5, so if you need continuous flow, you will need to go with the Eclipse 3 on sale. A 12 cell battery will last for as much as 4 hours, where a 24 cell will always be double, up to 8 hours at the setting of 2.


Since this one is so small (it weighs a little less than 5 lbs!) it doesn't feature a removable battery, but can be plugged into a supplemental, portable battery pack. It offers pulse dose settings from 1 to 3, so this is only good for people who need a low pulse dose of oxygen. It features a sleep mode setting, which automatically adjusts to your breathing pattern. A great option for those who need to oxygen therapy while they sleep.

Drive Oxus

This portable concentrator is 10 pounds, but is one of the most durable and long lasting. Our used Oxus has over 1 year left on the manufacturer warranty and comes with a rechargeable battery. The pulse dose range has settings from 1 to 5. The battery will last as long as 3 hours. This used portable concentrator is great for travel as well as just running some errands, and can be run off of an automobile's outlet.

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