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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 - 2, ba-516

Inogen model 516 - 2, ba-516

$375.00
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Hoomsoins oxygen - 30%,

Hoomsoins oxygen - 30%,

$119.95
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Generador oxígeno - generador,

Generador oxígeno - generador,

$235.99
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Inogenone double - (tested),

Inogenone double - (tested),

$200.00
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Invacare oxygen - oxygen, o2

Invacare oxygen - oxygen, 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 - backpack, medical

Essex bmos backpack - backpack, medical

$1000.00
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External battery charger - external,

External battery charger - external,

$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 - compressor,

Silencer compressor intake - compressor,

$15.99
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Respironics everflo universal - respironics,

Respironics everflo universal - respironics,

$11.69
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New genuine 400 - new, ba-400

New genuine 400 - new, ba-400

$122.00
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Resone oxygen tubing straight - oxygen,

Resone oxygen tubing straight - oxygen,

$7.40
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Wide range ozone user - wide,

Wide range ozone user - wide,

$312.50
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Pure ozone machine - pure,

Pure ozone machine - pure,

$390.00
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Packs 7ft nasal oxygen - packs,

Packs 7ft nasal oxygen - packs,

$14.85
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Roscoe medical compressor - medical,

Roscoe medical compressor - medical,

$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 - freedom,

Lifecare freedom oxygen - freedom,

$44.95
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Replacement metal column - replacement,

Replacement metal column - replacement,

$149.99
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Devilbiss igo oxygen - devilbiss,

Devilbiss igo oxygen - devilbiss,

$13.49
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Respironics everflo compressor - everflo,

Respironics everflo compressor - everflo,

$10.00
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Medium concentration elongated - medium,

Medium concentration elongated - medium,

$16.50
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Functional igo2 oxygen - functional,

Functional igo2 oxygen - functional,

$74.99
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Pack 5ft adult - adult, oxygen

Pack 5ft adult - adult, oxygen

$16.90
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Sunset bf1001 concentrator - sunset,

Sunset bf1001 concentrator - sunset,

$12.99
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Drive devilbiss igo2 - igo2, portable

Drive devilbiss igo2 - igo2, portable

$24.99
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Oxygen concentrator filter

Oxygen concentrator filter

$6.80
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New genuine battery ref - battery,

New genuine battery ref - battery,

$155.00
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Curmio portable oxygen - curmio,

Curmio portable oxygen - curmio,

$79.98
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Factory sealed rhythm - factory,

Factory sealed rhythm - factory,

$350.00
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New genuine 300 battery for - genuine,

New genuine 300 battery for - genuine,

$85.99
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Boost oxygen portable - boost,

Boost oxygen portable - boost,

$11.97
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Yxmeiguo lightweight portable - yxmeiguo,

Yxmeiguo lightweight portable - yxmeiguo,

$54.34
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Water bottle humidifier for - humidifier,

Water bottle humidifier for - humidifier,

$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 crush - 50ft,

50ft oxygen tubing green crush - 50ft,

$13.89
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Pack devilbiss extended life - devilbiss,

Pack devilbiss extended life - devilbiss,

$19.75
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New genuine 9wh 400 - new, 50.9wh

New genuine 9wh 400 - new, 50.9wh

$91.89
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Inogen maintenance kit - maintenance,

Inogen maintenance kit - maintenance,

$240.00
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Philips simplygo ion - philips,

Philips simplygo ion - philips,

$165.00
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Invacare-O2-oxygen-concentrato

Invacare-O2-oxygen-concentrato

$11.79
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Pack secondary filter for - pack,

Pack secondary filter for - pack,

$23.39
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Invacare perfecto2 oxygen - invacare,

Invacare perfecto2 oxygen - invacare,

$14.79
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Respironics everflo universal - respironics,

Respironics everflo universal - respironics,

$17.49
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Westmed lpm oxygen - 6,

Westmed lpm oxygen - 6,

$15.99
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Respironics everflo universal - respironics,

Respironics everflo universal - respironics,

$11.95
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Oxygen concentrators backpack - oxygen,

Oxygen concentrators backpack - oxygen,

$81.68
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Pack respironics micro - respironics,

Pack respironics micro - respironics,

$11.95
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New oem ref - new,

New oem ref - new,

$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 - one,

Inogen one replacement - one,

$150.93
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Oxygen masks 5 nasal - +,

Oxygen masks 5 nasal - +,

$18.90
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Concentrator intake filter - o2,

Concentrator intake filter - o2,

$13.49
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New factory sealed rhythm - new,

New factory sealed rhythm - new,

$225.00
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Pack oxygen concentrator - 5,

Pack oxygen concentrator - 5,

$12.82
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Sunset bfh6s invacare - bfh6s, 2000806

Sunset bfh6s invacare - bfh6s, 2000806

$12.00
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Inogen hip bag for - hip,

Inogen hip bag for - hip,

$70.00
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Portable oxygen concentrator - oxygen,

Portable oxygen concentrator - oxygen,

$87.99
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Premium clear crush - premium, resistant

Premium clear crush - premium, resistant

$11.99
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Humidifier connector adapter - humidifier,

Humidifier connector adapter - humidifier,

$15.99
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Nispira intake filter for - nispira,

Nispira intake filter for - nispira,

$32.99
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Oxygen humidifier bottle - humidifier,

Oxygen humidifier bottle - humidifier,

$12.78
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Oxygen tube support crimp - support,

Oxygen tube support crimp - support,

$7.98
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Genuine 400 battery - battery, for

Genuine 400 battery - battery, for

$91.00
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Pack oxygen tubing 25ft - pack,

Pack oxygen tubing 25ft - pack,

$24.59
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Devilbiss igo oxygen - devilbiss,

Devilbiss igo oxygen - devilbiss,

$18.75
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Pack invacare perfecto2 o2 - 2,

Pack invacare perfecto2 o2 - 2,

$24.99
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O2totes backpack for - backpack, caire

O2totes backpack for - backpack, caire

$37.40
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Packs oxygen tube support - packs,

Packs oxygen tube support - packs,

$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-2-612

Life corp 612 - life, life-2-612

$525.00
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Pack 4ft white oxygen - 5,

Pack 4ft white oxygen - 5,

$19.90
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Medium concentration elongated - medium,

Medium concentration elongated - medium,

$13.83
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24v adapter for - 24v,

24v adapter for - 24v,

$49.99
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Igo2 replacement battery drive - igo2,

Igo2 replacement battery drive - igo2,

$89.95
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Genuine inogen 306 car - genuine, ba-306

Genuine inogen 306 car - genuine, ba-306

$13.99
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Pcs oxygen tube support - 4, 5

Pcs oxygen tube support - 4, 5

$16.61
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Oxygen concentrator humidifier - oxygen,

Oxygen concentrator humidifier - oxygen,

$26.84
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Filter respironics - filter,

Filter respironics - filter,

$20.78
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Universal respironics everflo - universal,

Universal respironics everflo - universal,

$8.49
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Replacement drive devilbiss - replacement,

Replacement drive devilbiss - replacement,

$13.97
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For inogen one - one, g2

For inogen one - one, g2

$11.49
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Nispira intake filter for - nispira,

Nispira intake filter for - nispira,

$20.99
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24v charger for oxygo oxygen - 24v,

24v charger for oxygo oxygen - 24v,

$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 oem - rove, 4

Inogen one rove oem - rove, 4

$89.97
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Devilbiss 303 525 - 303,

Devilbiss 303 525 - 303,

$12.99
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Inogen rove oxigo - g5,

Inogen rove oxigo - g5,

$19.95
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Arya mini portable - arya,

Arya mini portable - arya,

$150.00
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Box 7ft adult - of,

Box 7ft adult - of,

$10.99
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Soft nasal oxygen - soft,

Soft nasal oxygen - soft,

$19.99
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Varon 101w household ox - varon,

Varon 101w household ox - varon,

$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, life-2-612

Life corp - corp, life-2-612

$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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