We maintain a large inventory of several different manufacturers and models of used oxygen concentrators in stock. Some companies buy used oxygen concentrators and just perform a "clean and check" putting them out on the market and hoping they'll stay running. Accurate Biomed rebuilds the compressor, rebuilds all valves, puts in new tubing to assure its factory fresh, and re-pours the sieve canisters with virgin sieve material assuring you that all of our refurbished oxygen concentrators will meet or exceed manufacturer's specifications. Why trust your patient's comfort to a used oxygen concentrator that came from on an on line auction when you can provide them a quality completely refurbished oxygen concentrator that will provide years of use?
Accurate Biomed doesn't just sell you a used oxygen generator and stick a 90 day warranty on it like most companies. We offer a full one year limited warranty against defects in workmanship and material. Let's face it, a rebuilt oxygen concentrator that doesn't work is worth less than nothing. There is no savings unless you can be assured of the quality of the product you are purchasing. Accurate Biomed Services gives you this assurance with a warranty that makes sense, is reasonable, and from a company that is large enough to back that warranty up.
Please use the Contact Us page of this site to get in touch with us so we may discuss your requirements and give you our recommendations based on your application.
Below is a summary of the different makes and models of rebuilt oxygen concentrators we currently offer. Check back here from time to time as we are adding to our inventory frequently.
Please read our Oxygen Concentrator Purchasing Guide
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| Puritan Bennett 590 (specifications pop up) | ![]() |
The workhorse oxygen concentrator for many years, the Puritan Bennett line of oxygen concentrators still provide a stable reliable oxygen concentrator for many applications. From in house use to nursing homes and hospices, these concentrators exhibit long life and reliability. Our rebuild process insures a stable oxygen source for your many different uses. |
| Invacare V (specification pop up) | ![]() |
The standard of oxygen concentrators and a major reason why this company has been so successful. Our rebuilt Invacare V's are our first choice for nursing home and hospice environment due to their rugged construction and reliable performance. We also recommend these units for hobbyists in the glass bead business. |
Devilbiss 505 / 515 |
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The Devilbiss line of oxygen concentrators are also a highly engineered piece of equipment that exhibits strong performance in virtually any environment. Lighter than the traditional oxygen concentrator these units are exceptional in situations where they might be moved frequently and yet are a stable performer in virtually any application. |
| Respironics Millenium (specifications pop up) | ![]() |
The Respironics Millenium is one of the most quiet and vibration free oxygen concentrators available. This unit is an excellent performer in the patient's home. One of our highly recommened units. |
Devilbiss 303 |
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When a customer tells us they have a traveling patient, this is the model that we highly recommend. The Devilbiss 303 is a lightweight highly portable three liter oxygen concentrator that lends itself, due to its small footprint for the mobil O2 patient. With smaller diameter sieve the 303 is light, compact, and manageable in any situation where the patient is likely to have a need to transport their oxygen to different locals. Limited Quantites! Please contact us. |
MilleniumM 10 |
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Delivers up to 10 LPM of oxygen. The M10 is engineered to reduce the cost of providing oxygen at higher liter flow and has fewer parts than any other concentrator on the market. The Millennium M10 is designed to be the highest performing and most reliable oxygen machine available. Limited Quantites! |
All units are shipped in Accurate Biomed safe triptm boxes with foam injected packaging.






