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To buy an oxygen concentrator from us, just select your portable or home oxygen concentrator online and use our secure checkout to complete your purchase. Or, you may call one of our experienced product experts at 1-800-850-0335 to help you select the perfect unit for you today!ur selection of portable oxygen concentrators can be powered by AC (home), DC (vehicle) or battery power. These portable oxygen concentrators weight between 8 and 20 pounds and feature handles, a carrying case or shoulder straps.
What is the portable oxygen concentrator. DeVilbiss Oxygen Concentrator. Portable oxygen concentrators or POC are portable machines designed to provide oxygen therapy to the patients at a much higher concentrations than the levels found in the ambient air. Known as portable concentrators, they are similar to oxygen concentrators but with the difference of being smaller and mobile (portable).