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Oxygen concentrator

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Oxygen concentrator for sale on largest auction and classifieds sites

Home / / Oxygen concentrator refurbished & used for sale | For Sale USA
Inogen model 516 - inogen, ba-516

Inogen model 516 - inogen, ba-516

$375.00
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Hoomsoins oxygen - 30%,

Hoomsoins oxygen - 30%,

$119.95
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Generador oxígeno - generador, de

Generador oxígeno - generador, de

$235.99
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Inogenone double - inogenone,

Inogenone double - inogenone,

$200.00
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Invacare oxygen - invacare, o2

Invacare oxygen - invacare, o2

$11.69
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Inogen 500 ion battery - inogen, ba-500

Inogen 500 ion battery - inogen, ba-500

$123.50
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Essex bmos backpack - essex,

Essex bmos backpack - essex,

$1000.00
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External battery charger - battery,

External battery charger - battery,

$245.00
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1000 roads ewot exercise - 1000,

1000 roads ewot exercise - 1000,

$1999.00
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Silencer compressor intake - silencer,

Silencer compressor intake - silencer,

$15.99
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Respironics everflo universal - respironics,

Respironics everflo universal - respironics,

$11.69
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New genuine 400 - genuine, 1400-2010-4

New genuine 400 - genuine, 1400-2010-4

$122.00
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Resone oxygen tubing - resone,

Resone oxygen tubing - resone,

$7.40
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Wide range ozone user - range,

Wide range ozone user - range,

$312.50
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Pure ozone machine kit - pure,

Pure ozone machine kit - pure,

$390.00
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Packs 7ft nasal - nasal, oxygen

Packs 7ft nasal - nasal, oxygen

$14.85
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Roscoe medical compressor - roscoe,

Roscoe medical compressor - roscoe,

$13.39
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Inogen 500 ion battery - ba-500,

Inogen 500 ion battery - ba-500,

$180.00
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Lifecare freedom oxygen - lifecare,

Lifecare freedom oxygen - lifecare,

$44.95
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Replacement metal column pairs - replacement,

Replacement metal column pairs - replacement,

$149.99
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Devilbiss igo oxygen - devilbiss,

Devilbiss igo oxygen - devilbiss,

$13.49
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Respironics everflo compressor - respironics,

Respironics everflo compressor - respironics,

$10.00
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Medium concentration elongated - medium,

Medium concentration elongated - medium,

$16.50
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Functional igo2 oxygen - igo2,

Functional igo2 oxygen - igo2,

$74.99
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Pack 5ft adult - 10, 6.5ft

Pack 5ft adult - 10, 6.5ft

$16.90
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Sunset bf1001 concentrator - bf1001,

Sunset bf1001 concentrator - bf1001,

$12.99
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Drive devilbiss igo2 portable - devilbiss,

Drive devilbiss igo2 portable - devilbiss,

$24.99
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Oxygen concentrator filter

Oxygen concentrator filter

$6.80
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New genuine battery ref - genuine,

New genuine battery ref - genuine,

$155.00
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Curmio portable oxygen - portable,

Curmio portable oxygen - portable,

$79.98
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Factory sealed rhythm - factory,

Factory sealed rhythm - factory,

$350.00
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New genuine 300 battery - new,

New genuine 300 battery - new,

$85.99
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Boost oxygen portable canned - oxygen,

Boost oxygen portable canned - oxygen,

$11.97
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Yxmeiguo lightweight portable - yxmeiguo,

Yxmeiguo lightweight portable - yxmeiguo,

$54.34
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Water bottle humidifier for - bottle,

Water bottle humidifier for - bottle,

$1.00
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Oxygen concentrator parts - oxygen-concentrator,

Oxygen concentrator parts - oxygen-concentrator,

$50.00
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50ft oxygen tubing green - tubing,

50ft oxygen tubing green - tubing,

$13.89
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Pack devilbiss extended life - 2,

Pack devilbiss extended life - 2,

$19.75
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New genuine 9wh 400 - new, ba-400

New genuine 9wh 400 - new, ba-400

$91.89
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Inogen maintenance kit - inogen,

Inogen maintenance kit - inogen,

$240.00
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Philips simplygo ion - simplygo, li-ion

Philips simplygo ion - simplygo, li-ion

$165.00
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Invacare-O2-oxygen-concentrato

Invacare-O2-oxygen-concentrato

$11.79
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Pack secondary filter - 2,

Pack secondary filter - 2,

$23.39
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Invacare perfecto2 oxygen - perfecto2,

Invacare perfecto2 oxygen - perfecto2,

$14.79
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Respironics everflo universal - everflo,

Respironics everflo universal - everflo,

$17.49
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Westmed lpm oxygen - 6,

Westmed lpm oxygen - 6,

$15.99
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Respironics everflo universal - everflo,

Respironics everflo universal - everflo,

$11.95
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Oxygen concentrators backpack - oxygen,

Oxygen concentrators backpack - oxygen,

$81.68
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Pack respironics micro - -,

Pack respironics micro - -,

$11.95
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New oem ref - new, 1116817

New oem ref - new, 1116817

$315.00
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Pack high flow - pack, ultra

Pack high flow - pack, ultra

$13.90
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Inogen one replacement - g5,

Inogen one replacement - g5,

$150.93
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Oxygen masks 5 - oxygen, +

Oxygen masks 5 - oxygen, +

$18.90
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Concentrator intake filter - intake,

Concentrator intake filter - intake,

$13.49
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New factory sealed rhythm - factory,

New factory sealed rhythm - factory,

$225.00
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Pack oxygen concentrator - 5,

Pack oxygen concentrator - 5,

$12.82
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Sunset bfh6s invacare - sunset,

Sunset bfh6s invacare - sunset,

$12.00
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Inogen hip bag - –, for

Inogen hip bag - –, for

$70.00
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Portable oxygen concentrator - oxygen,

Portable oxygen concentrator - oxygen,

$87.99
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Premium clear crush resistant - premium,

Premium clear crush resistant - premium,

$11.99
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Humidifier connector adapter - humidifier,

Humidifier connector adapter - humidifier,

$15.99
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Nispira intake filter - filter, for

Nispira intake filter - filter, for

$32.99
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Oxygen humidifier bottle - oxygen,

Oxygen humidifier bottle - oxygen,

$12.78
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Oxygen tube support crimp - oxygen,

Oxygen tube support crimp - oxygen,

$7.98
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Genuine 400 battery for - genuine,

Genuine 400 battery for - genuine,

$91.00
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Pack oxygen tubing - 3,

Pack oxygen tubing - 3,

$24.59
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Devilbiss igo oxygen - devilbiss,

Devilbiss igo oxygen - devilbiss,

$18.75
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Pack invacare perfecto2 o2 - perfecto2,

Pack invacare perfecto2 o2 - perfecto2,

$24.99
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O2totes backpack for caire - backpack,

O2totes backpack for caire - backpack,

$37.40
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Packs oxygen tube support - 20,

Packs oxygen tube support - 20,

$8.79
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Nasal cannula - 7/16/25,

Nasal cannula - 7/16/25,

$11.99
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Life corp 612 - life,

Life corp 612 - life,

$525.00
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Pack 4ft white - 16.4ft,

Pack 4ft white - 16.4ft,

$19.90
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Medium concentration elongated - medium,

Medium concentration elongated - medium,

$13.83
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24v adapter for - dc,

24v adapter for - dc,

$49.99
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Igo2 replacement battery drive - replacement,

Igo2 replacement battery drive - replacement,

$89.95
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Genuine inogen 306 car - inogen,

Genuine inogen 306 car - inogen,

$13.99
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Pcs oxygen tube - ft,

Pcs oxygen tube - ft,

$16.61
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Oxygen concentrator humidifier - oxygen,

Oxygen concentrator humidifier - oxygen,

$26.84
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Filter respironics - 2,

Filter respironics - 2,

$20.78
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Universal respironics everflo - universal,

Universal respironics everflo - universal,

$8.49
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Replacement drive devilbiss - drive,

Replacement drive devilbiss - drive,

$13.97
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For inogen one - inogen, g4

For inogen one - inogen, g4

$11.49
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Nispira intake filter for - intake,

Nispira intake filter for - intake,

$20.99
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24v charger for - charger, oxygen

24v charger for - charger, oxygen

$23.49
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Replacement filter kit everflo - replacement,

Replacement filter kit everflo - replacement,

$18.89
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Inogen one rove - g4, oem

Inogen one rove - g4, oem

$89.97
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Devilbiss 303 525 - 303,

Devilbiss 303 525 - 303,

$12.99
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Inogen rove oxigo - /, /

Inogen rove oxigo - /, /

$19.95
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Arya mini portable oxygen - arya,

Arya mini portable oxygen - arya,

$150.00
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Box 7ft adult - box,

Box 7ft adult - box,

$10.99
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Soft nasal oxygen - 7, cannula

Soft nasal oxygen - 7, cannula

$19.99
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Varon 101w household ox - varon, y-101w

Varon 101w household ox - varon, y-101w

$180.00
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Devilbiss igo oxygen - igo,

Devilbiss igo oxygen - igo,

$20.98
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Rhythm react healthcare - rhythm/react,

Rhythm react healthcare - rhythm/react,

$145.00
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Life corp - corp, emergency

Life corp - corp, emergency

$519.08
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📊96 listings · from $1 · avg $109.58

Browse 96 oxygen concentrator listings currently in our index. Prices range from $1 to $1999, with an average of $109.58. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about oxygen concentrator →

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Everything you need to know about oxygen concentrator

Whether you are looking for a brand-new or second-hand oxygen concentrator, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at $1, while premium listings can reach $1999 — giving you a wide budget spread to work with. The average price of $109.58 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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