For Sale USA

O2 concentrator

4

O2 concentrator for sale on largest auction and classifieds sites

Home / / O2 concentrator refurbished & used for sale | For Sale USA
Concentrator intake filter - concentrator,

Concentrator intake filter - concentrator,

$13.49
Buy It Now

» View on eBay #sponsored
Proo2 omega production 11 - production,

Proo2 omega production 11 - production,

$80.00
Buy It Now

» View on eBay #sponsored
Vetequip inhalation anethesia - vetequip,

Vetequip inhalation anethesia - vetequip,

$990.00
Buy It Now

» View on eBay #sponsored
Handheld analyzer oxygen - o2, analyzer,

Handheld analyzer oxygen - o2, analyzer,

$189.00
Buy It Now

» View on eBay #sponsored
Rhythm health o2 - rhythm,

Rhythm health o2 - rhythm,

$149.99
Buy It Now

» View on eBay #sponsored
Universal respironics everflo - universal,

Universal respironics everflo - universal,

$8.49
Buy It Now

» View on eBay #sponsored
Invacare-O2-oxygen-concentrato

Invacare-O2-oxygen-concentrato

$11.79
Buy It Now

» View on eBay #sponsored
Inogen 516 ion battery - ba-516, li-ion

Inogen 516 ion battery - ba-516, li-ion

$191.64
Buy It Now

» View on eBay #sponsored
Vetequip oxyvet inhalation - vetequip,

Vetequip oxyvet inhalation - vetequip,

$1176.47
Buy It Now

» View on eBay #sponsored
Concentrator intake filter - intake,

Concentrator intake filter - intake,

$13.49
Buy It Now

» View on eBay #sponsored
15v charger for - charger,

15v charger for - charger,

$50.26
Buy It Now

» View on eBay #sponsored
Respironics simplygo mini - respironics,

Respironics simplygo mini - respironics,

$93.99
Buy It Now

» View on eBay #sponsored
Carrying case fits rhythm - carrying,

Carrying case fits rhythm - carrying,

$26.00
Buy It Now

» View on eBay #sponsored
12c oxygen concentration - cy-12c,

12c oxygen concentration - cy-12c,

$78.29
Buy It Now

» View on eBay #sponsored
Portable oxygen gas analyzer - gas,

Portable oxygen gas analyzer - gas,

$160.00
Buy It Now

» View on eBay #sponsored
Pediatric - , o2

Pediatric - , o2

$8.95
Buy It Now

» View on eBay #sponsored
Vetequip oxyvet inhalation - oxyvet,

Vetequip oxyvet inhalation - oxyvet,

$1149.00
Buy It Now

» View on eBay #sponsored
Adapter for concepts - adapter,

Adapter for concepts - adapter,

$79.99
Buy It Now

» View on eBay #sponsored
12v adapter for portable - for,

12v adapter for portable - for,

$9.99
Buy It Now

» View on eBay #sponsored
Car adapter for - car,

Car adapter for - car,

$49.99
Buy It Now

» View on eBay #sponsored
Caire freestyle portable - freestyle,

Caire freestyle portable - freestyle,

$350.00
Buy It Now

» View on eBay #sponsored
Lot humidifier connector - 4-,

Lot humidifier connector - 4-,

$19.95
Buy It Now

» View on eBay #sponsored
Concentrator carry bag - concentrator,

Concentrator carry bag - concentrator,

$36.52
Buy It Now

» View on eBay #sponsored
Invacare perfecto2 oxygen - invacare,

Invacare perfecto2 oxygen - invacare,

$14.79
Buy It Now

» View on eBay #sponsored
Vetequip oxyvet inhalation - vetequip,

Vetequip oxyvet inhalation - vetequip,

$3360.00
Buy It Now

» View on eBay #sponsored
Humidifier connector - humidifier,

Humidifier connector - humidifier,

$24.98
Buy It Now

» View on eBay #sponsored
Humidifier connector tube for - humidifier,

Humidifier connector tube for - humidifier,

$6.47
Buy It Now

» View on eBay #sponsored
Salter labs 9996 humidifier - 9996-1,

Salter labs 9996 humidifier - 9996-1,

$11.75
Buy It Now

» View on eBay #sponsored
Ultrasonic analyzer tester - ultrasonic,

Ultrasonic analyzer tester - ultrasonic,

$169.00
Buy It Now

» View on eBay #sponsored
Handheld oxygen - handheld, o2

Handheld oxygen - handheld, o2

$64.59
Buy It Now

» View on eBay #sponsored
Oxygen concentration monitor - oxygen,

Oxygen concentration monitor - oxygen,

$249.00
Buy It Now

» View on eBay #sponsored
Oxygen concentration purity - oxygen,

Oxygen concentration purity - oxygen,

$266.04
Buy It Now

» View on eBay #sponsored
Humidifier connector adapter - humidifier,

Humidifier connector adapter - humidifier,

$12.00
Buy It Now

» View on eBay #sponsored
Oxygen concentrator humidifier - concentrator,

Oxygen concentrator humidifier - concentrator,

$24.46
Buy It Now

» View on eBay #sponsored
Thomas 2450 compressor rebuild - thomas,

Thomas 2450 compressor rebuild - thomas,

$77.95
Buy It Now

» View on eBay #sponsored
Oxygen concentrator micro - 3x,

Oxygen concentrator micro - 3x,

$15.30
Buy It Now

» View on eBay #sponsored
Adult medium concentration - o2, medium-concentration

Adult medium concentration - o2, medium-concentration

$16.95
Buy It Now

» View on eBay #sponsored
Oxygen tubing lot 25 ft - lot,

Oxygen tubing lot 25 ft - lot,

$69.99
Buy It Now

» View on eBay #sponsored
Oxygen purity tester - oxygen,

Oxygen purity tester - oxygen,

$197.72
Buy It Now

» View on eBay #sponsored
12c handheld oxygen - cy-12c,

12c handheld oxygen - cy-12c,

$119.99
Buy It Now

» View on eBay #sponsored
Invacare perfecto filter - invacare,

Invacare perfecto filter - invacare,

$15.85
Buy It Now

» View on eBay #sponsored
Low flow flowmeter - flowmeter, /

Low flow flowmeter - flowmeter, /

$68.50
Buy It Now

» View on eBay #sponsored
Adult medium concentration - adult, medium-concentration

Adult medium concentration - adult, medium-concentration

$8.95
Buy It Now

» View on eBay #sponsored
Medium concentration elongated - medium,

Medium concentration elongated - medium,

$14.50
Buy It Now

» View on eBay #sponsored
Pack invacare perfecto2 - pack-invacare, o2

Pack invacare perfecto2 - pack-invacare, o2

$24.99
Buy It Now

» View on eBay #sponsored
Respironics simplygo thomas - simplygo,

Respironics simplygo thomas - simplygo,

$98.99
Buy It Now

» View on eBay #sponsored
Car 12v adapter - car, dc

Car 12v adapter - car, dc

$19.99
Buy It Now

» View on eBay #sponsored
Thomas 2450 compressor rebuild - 2450,

Thomas 2450 compressor rebuild - 2450,

$68.95
Buy It Now

» View on eBay #sponsored
Car adapter for - dc,

Car adapter for - dc,

$16.98
Buy It Now

» View on eBay #sponsored
Humidifier connector tube - connector, for

Humidifier connector tube - connector, for

$8.00
Buy It Now

» View on eBay #sponsored
Oxygen analyzer for - for,

Oxygen analyzer for - for,

$91.39
Buy It Now

» View on eBay #sponsored
Car adapter for - dc, portable

Car adapter for - dc, portable

$16.88
Buy It Now

» View on eBay #sponsored
Pediatric - , o2

Pediatric - , o2

$8.95
Buy It Now

» View on eBay #sponsored
15v charger for caire - 15v,

15v charger for caire - 15v,

$49.94
Buy It Now

» View on eBay #sponsored
Oxygen concentrator humidifier - oxygen,

Oxygen concentrator humidifier - oxygen,

$26.84
Buy It Now

» View on eBay #sponsored
12c oxygen concentration - cy-12c,

12c oxygen concentration - cy-12c,

$78.29
Buy It Now

» View on eBay #sponsored
Respironics millennium thomas - respironics,

Respironics millennium thomas - respironics,

$52.99
Buy It Now

» View on eBay #sponsored
Smart oxygen concentration - o2,

Smart oxygen concentration - o2,

$92.99
Buy It Now

» View on eBay #sponsored
Respironics millenium m600 - respironics,

Respironics millenium m600 - respironics,

$52.99
Buy It Now

» View on eBay #sponsored
Secure connection - secure,

Secure connection - secure,

$13.99
Buy It Now

» View on eBay #sponsored
Fresh oxygen supply tubing - fresh,

Fresh oxygen supply tubing - fresh,

$12.99
Buy It Now

» View on eBay #sponsored
Maxtech r217p62 maxo2 - maxtech, maxo2+

Maxtech r217p62 maxo2 - maxtech, maxo2+

$499.00
Buy It Now

» View on eBay #sponsored
12v adapter for portable - for,

12v adapter for portable - for,

$15.98
Buy It Now

» View on eBay #sponsored
Thomas 2220 compressor - 2220,

Thomas 2220 compressor - 2220,

$89.99
Buy It Now

» View on eBay #sponsored
1pk westmed 0482 concentrator - westmed, #0482

1pk westmed 0482 concentrator - westmed, #0482

$10.19
Buy It Now

» View on eBay #sponsored
Industries hcf100 o2 - hcf100,

Industries hcf100 o2 - hcf100,

$11.50
Buy It Now

» View on eBay #sponsored
Concepts oxlife - o2,

Concepts oxlife - o2,

$199.99
Buy It Now

» View on eBay #sponsored
19v adapter for catalog - catalog, #

19v adapter for catalog - catalog, #

$50.86
Buy It Now

» View on eBay #sponsored
15v adapter car - ac,

15v adapter car - ac,

$69.99
Buy It Now

» View on eBay #sponsored
12v adapter for - for, portable

12v adapter for - for, portable

$23.86
Buy It Now

» View on eBay #sponsored
12c oxygen concentration - cy-12c,

12c oxygen concentration - cy-12c,

$89.00
Buy It Now

» View on eBay #sponsored
Handheld ultrasonic oxygen - handheld,

Handheld ultrasonic oxygen - handheld,

$170.99
Buy It Now

» View on eBay #sponsored
Ventlab non rebreather - non-rebreather, oxygen

Ventlab non rebreather - non-rebreather, oxygen

$7.49
Buy It Now

» View on eBay #sponsored
Concentrator carrier - o2,

Concentrator carrier - o2,

$41.27
Buy It Now

» View on eBay #sponsored
Infant high concentration - infant, o2

Infant high concentration - infant, o2

$12.95
Buy It Now

» View on eBay #sponsored
12c oxygen concentration - cy-12c,

12c oxygen concentration - cy-12c,

$84.99
Buy It Now

» View on eBay #sponsored
Infant high concentration - infant, o2

Infant high concentration - infant, o2

$9.95
Buy It Now

» View on eBay #sponsored
O2totes backpack for caire - o2totes,

O2totes backpack for caire - o2totes,

$38.69
Buy It Now

» View on eBay #sponsored
Cubic ultrasonic oxygen gas - cubic, o2

Cubic ultrasonic oxygen gas - cubic, o2

$39.99
Buy It Now

» View on eBay #sponsored
Car adapter for concepts - adapter,

Car adapter for concepts - adapter,

$69.00
Buy It Now

» View on eBay #sponsored
12c oxygen concentration - oxygen,

12c oxygen concentration - oxygen,

$84.59
Buy It Now

» View on eBay #sponsored
New adapter for hukoer - ac,

New adapter for hukoer - ac,

$19.99
Buy It Now

» View on eBay #sponsored
Listed 15v power supply - 15v, ac

Listed 15v power supply - 15v, ac

$54.93
Buy It Now

» View on eBay #sponsored
Oxygen tubing connectors 360 - tubing,

Oxygen tubing connectors 360 - tubing,

$23.99
Buy It Now

» View on eBay #sponsored
Breathing mouth nose hide care - mouth,

Breathing mouth nose hide care - mouth,

$8.99
Buy It Now

» View on eBay #sponsored
Oxygen concentrators backpack - oxygen,

Oxygen concentrators backpack - oxygen,

$81.68
Buy It Now

» View on eBay #sponsored
12c oxygen concentration - oxygen,

12c oxygen concentration - oxygen,

$78.29
Buy It Now

» View on eBay #sponsored
Thomas 2450 motor - bearing, set

Thomas 2450 motor - bearing, set

$88.95
Buy It Now

» View on eBay #sponsored
24v adapter for oxlife - for,

24v adapter for oxlife - for,

$49.99
Buy It Now

» View on eBay #sponsored
12c oxygen concentration - o2,

12c oxygen concentration - o2,

$78.29
Buy It Now

» View on eBay #sponsored
12c oxygen concentration - cy-12c,

12c oxygen concentration - cy-12c,

$80.99
Buy It Now

» View on eBay #sponsored
Ultrasonic oxygen

Ultrasonic oxygen

$97.92
Buy It Now

» View on eBay #sponsored
Oxlife independence portable - oxlife,

Oxlife independence portable - oxlife,

$42.50
Buy It Now

» View on eBay #sponsored
Large small motor bearing - large, +

Large small motor bearing - large, +

$94.95
Buy It Now

» View on eBay #sponsored
Smart handheld oxygen - smart,

Smart handheld oxygen - smart,

$84.99
Buy It Now

» View on eBay #sponsored
O2totes usa oxygo backpack - usa,

O2totes usa oxygo backpack - usa,

$59.99
Buy It Now

» View on eBay #sponsored

Looking for more o2 concentrator?

Search eBay live — fresh results filtered for the best value, updated every hour.

🔍 Search live deals
📊96 listings · from $6.47 · avg $135.93

Browse 96 o2 concentrator listings currently in our index. Prices range from $6.47 to $3360, with an average of $135.93. 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 o2 concentrator →

Try this: lotion dispenser | large dinosaur | scil vet | biker watch | puzzle postcard | daybed bedding | curio table | generator | 9sdk gl63 msi gaming laptop | massager

Shop by budget

< $25 $25 – $50 $50 – $100 $100 – $200 $200 – $500 > $500

Everything you need to know about o2 concentrator

Whether you are looking for a brand-new or second-hand o2 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 $6.47, while premium listings can reach $3360 — giving you a wide budget spread to work with. The average price of $135.93 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.

🔍 o2 concentrator Search live on eBay