#P080410C- Inogen One: WOW another Inogen One used for sale these are rare portable units and hard to find! Has been rebuilt and has 1,965 hours of use with the latest 3.0 software update. Unit is performing at 92% on the setting of 5 and comes with 1 battery, ac and dc adapters, cart, carry bag, manual, and cannula. HAS NO WARRANTY AND SOLD AS IS, only asking $1,400 this is priced to sell and will not last long…

#P080410D- Inogen One: Has been serviced and completely rebuilt from the manufacturer. Only has 1,216 hours of use and has the latest version of software 3.0. Unit comes with 1 battery, ac and dc adapters, cart, carry bag, manual, and cannula. Unit is performing at 95% on the setting of 5 this machine is sold as is and comes with NO warranty. The asking price of this nice unit is $1,500.

#P081210A- Inogen One: Nice unit with very low hours on it only 597 and has the latest version 3.0 software upgrade. This machine includes 1 battery, ac and dc adapters, cart, carry bag, manual, and cannula. The unit is performing at 94% on the setting of 5 and machine is sold AS IS WITH NO WARRANTY. This is priced to sell and this offer will not last, going for $1,650.

#P081210B- Inogen One: Has been recently serviced and rebuilt with version 3.0 software and has 1,069 hour of use. This machine comes with 1 battery, ac and dc adapters, cart, carry bag, manual, and cannula. After testing, this machine is performing at 93% on the setting of 5. This unit has NO WARRANTY AND IS SOLD AS IS only asking $1,500.

#P081010B- Inogen One: Nice Inogen One machine has been recently serviced and rebuilt. Only has 806 hours of use and has software version 2.9 and is performing at 87% on the setting of 5. Machine comes with 1 battery, ac and dc adapters, cart, carry bag, manual, and cannula. THIS IS SOLD AS IS WITH NO WARRANTY. Priced to sell and the asking price is $1,600

#P081510A- Inogen One: Has been recently serviced at the factory and re-built. Machine has 1,326 hours of use on the compressor and has the version 3.0 software. Unit comes with 1 battery, ac and dc adapters, cart, carry bag, manual, and cannula. This machine is performing at 95% on the setting of 5 also comes with NO WARRANTY AND SOLD AS IS! Only asking $1,450 this is priced to sell and will not last long.

#P081510B- Inogen One: This Inogen One unit has been serviced at the factory and has version 3.0 software. The machine has 2,186 hours of use and comes with 1 battery, ac and dc adapters, cart, carry bag, manual, and cannula. Unit is performing at 93% on the setting of 5 and is sold as is with NO WARRANTY. The asking price of this machine is $1,350 this offer will not last so get your Inogen unit NOW!

#P081610A- Inogen One: Nice Inogen One machine has been rebuilt and recently serviced at the factory. The unit has 700 hours of use and version 3.0 software upgrades. This machine comes with 1 battery, ac and dc adapters, cart, carry bag, manual, and cannula. HAS NO WARRANTY and is sold as is machine is performing at 95% on setting 5. The asking price of this machine is $1,600.

#P081610C- Inogen One: Has been rebuilt and recently serviced at the factory. Unit has 2,585 hours of use and has version 3.0 software upgrades. The machine comes with 1 battery, ac and dc adapters, cart, carry bag, manual, and cannula and is performing at 93% on the setting of 5. NO WARRANTY AND SOLD AS IS only asking $1,250

#0606B-PB Companion 590: This is one of the first home oxygen concentrators ever built on the market. A companion 590 machine has 42,817 hours of use and is performing at 93% on the setting of 3 liters per minute continuous flow. Normally this is a 5 liter machine but in ONLY DOING WELL AT 3 LITERS!!! This machine has a 90 day parts and labor warranty and the asking price of this machine is $295.

#0621B- AirSep New Life: AirSep has been around for a long time and has a lot of history in oxygen. This unit goes up to 8 liters per minute continuous flow and is meeting all performance specifications. The unit has 2 flow knobs on each side of the unit that both go up to 4 liters per minute and with both of them cranked up to the highest; this unit will produce up to 8 liters per minute WOW. The unit is 91% pure oxygen at the setting of 8 which is outstanding and is priced to sell for someone who needs a high flow oxygen concentrator. This unit has 3,664 hours of use and the asking price is $795 and a 1 year warranty parts and labor is included.

#0407E- Devilbiss 303DZ: The Devilbiss Company has been around for years and designs the paint guns for fences, now deals with oxygen products as well. This is a smaller home oxygen concentrator that goes up to the setting of 3 liters per minute continuous flow. After testing, this unit is in premium condition and at the setting of 3 is producing 94% oxygen purification. This unit comes with a 1 year warranty parts and labor and is in perfect operating condition. The Devilbiss 303DZ unit has 12,288 hours of use and has been rebuilt! The major components inside have been rebuilt or replaced and is almost like new this is a great deal and the price is $495.

#0716C- Devilbiss 515DZ: Hard to find and one of the first home oxygen concentrators ever built and put into the market. Performing at 92% on the setting of 5 liters per minute continuous flow meets the manufacturer specifications and only has 16,170 hours of use. Unit comes with a 1 year warranty on the parts and labor only asking $495. WOW what a deal.

#0621A- Invacare 5: The Invacare 5 unit is performing at the full 5 liters per minute continuous flow and is at 93%. This unit has been re-built and recently serviced and only has 27,336 hours of use for an asking price of $495 and comes with a 1 year parts and labor warranty.

#0817A- Invacare 5: Nice Invacare 5 machine has been rebuilt and is performing at 92% on 5 liters per minute continuous flow. The machine has 17,933 hours of use and is priced to sell only asking $295. This machine also comes with a 90 day parts and labor warranty!!!

#0820A- Invacare 5: Has been recently serviced and rebuilt. This machine is in premium condition and has 14,227 hours of use. After further testing, this machine is performing at 92% on 5 liters per minute continuous flow. This offer will not last! Comes with a 90 day parts and labor warranty! Only asking $395.

#0629C- Invacare Platinum XL: Invacare platinum XL goes up to 5 liters per minute continuous flow. This unit is producing 93% at the setting of 5 and only has 27,895 hours of use after a fresh re-built with new parts. This unit comes with a 1 year warranty and the asking price is $495 this is a good deal for someone who is looking for a home unit.

#0714C- Invacare Platinum XL: Home fill compatible and has been serviced and rebuilt. This machine is in premium condition and only has 24,810 hours of use. The machine is performing at 94% on the setting of 5 liters per minute continuous flow. Comes with a 1 year parts and labor warranty and the asking price of this unit is $495.

#0629D- Respironics M-5: Has been recently serviced and will last a long time with the full re-build. This unit is performing at 5 liters per minute at the purity of oxygen at 95%. This unit has 22,498 hours of use and comes with a 1 year parts and labor warranty. The asking price of this nice re-built home oxygen concentrator is $495

#0625A- Respironics M-5: Unit has recently been serviced and re-built with new parts. This is performing at 93% on the setting of 5 and has 21,263 hours of use. This unit comes with a 1 year warranty parts and labor and the asking price is $495

#0714A- Respironics M-5: Recently serviced and completely rebuilt and is performing at the full 5 liters per minute continuous flow. Machine has 22,041 hours of use and is performing at 95% purification at the setting of 5 liters. Unit comes with a 1 year parts and labor warranty only asking $495.

#0719A- Respironics M-5: Has been recently serviced and rebuilt with a new compressor this unit has 23,150 hours total. This machine is performing at 93% on the setting of 5 liters per minute. Comes with a 1 year warranty on the parts and labor and the asking price of this unit is $495.

#0820B- Respironics M-5: Very nice machine has 18,452 hours of use and is performing at 93% on the setting of 5 liters per minute continuous flow. This machine comes with a 90 day warts and labor warranty and the asking price is $395.

#0818A- Respironics M-10: This is the ONLY 10 LITER UNIT USED AVAILABLE!!!! Very nice machine only has 7,672 hours of use and has been recently serviced and rebuilt. After further testing, this machine is only performing at 8 liters per minute and has 95% purification percentage. This is a premium machine and has a 1 YEAR PARTS AND LABOR WARRANTY the asking price is $795.