Login
RE-CERTIFIED Inogen One G4 Portable Oxygen Concentrator
RE-CERTIFIED Inogen One G4 Portable Oxygen Concentrator
RE-CERTIFIED Inogen One G4 Portable Oxygen Concentrator
 Next

RE-CERTIFIED Inogen One G4 Portable Oxygen Concentrator

Marsoni M251S
Sale price$900.00
Pay 4 payments of $225.00 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
RE-CERTIFIED Inogen One G4 Portable Oxygen ConcentratorRE CERTIFIED: What is in the box? Portable Oxygen Concentrator AC Power Supply DC Power Supply Rechargeable Ion Lithium Battery Carrying Case Shoulder Strap 3 cannulas LIFETIME TECH SUPPORT 24 7 Overview: Introducing the smallest portable oxygen concentrator from the most popular brand, Inogen. The Inogen One G4 is capable of providing oxygen delivery in an unbelievable small and quiet package. With flow settings from 1 3, the Inogen One G4 is
Easy Shipping

Quick Dispatch:

Your RE-CERTIFIED Inogen One G4 Portable Oxygen Concentrator orders ship within 1-2 business days.

Delivery Options:

  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

Order Tracking:

You'll receive a tracking link by email once your RE-CERTIFIED Inogen One G4 Portable Oxygen Concentrator ships.

Need Help?
Questions about RE-CERTIFIED Inogen One G4 Portable Oxygen Concentrator, sizing, or delivery? We're just an email away.

Live Shipping Estimates:
Enter your location at checkout to see available shipping methods and costs for RE-CERTIFIED Inogen One G4 Portable Oxygen Concentrator in your area.

Get Shipping Estimates

Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 1506 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
L
Verified Purchase
Lynn
Boise, US
★★★★★ 5
Dog loved it
Size: One-Size-for-Most
Great! My dog loves taking it outside at night so he can see where it goes easier. Super bouncy, he has had it for over a year now and still not destroyed. Perfect size for his mouth too and easy to clean.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 12, 2026
A
Verified Purchase
Amazon Customer
Fort Morgan, US
★★★★★ 5
Most durable one yet and it lights up. Our dog loves it.
Our dog destroys every other ball we've tried but this brand. I like the upgrade of being able to recharge it. She's a whole different dog when it's lit up. We're on her 4th one now and so far she hasn't torn any of them up. The ones with that were AA batteries always shorted out.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 19, 2026
K
Verified Purchase
kgs
Fort Morgan, US
★★★★★ 5
Best disco ball!
Had the old version of these balls that had batteries you actually replaced. This one is much better because you plug it in. My dog always loved this ball, because it's soft enough that she can take it in her mouth. And I love the color change. I got one for my daughter and her dog too, because I knew he loved them too.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2026
J
Verified Purchase
J. Koller
Cuba, US
★★★★★ 1
Issues still persist even with the new rechargable version.
Nite Ize just can't get this figured out. This ball is by far my dogs favorite ball. We play ball daily, and when we don't get in a ball session during the day, we pull one of these out after dark. The problem persists even on the new rechargeable design. They just don't last. With the old battery operated version we just knew we would spend the 25 or so dollars each month to purchase a new one as the light mechanism would fail. When they updated to the rechargeable version I was ecstatic to try it. I bought one and it lasted an entire month before we lost it over a fence. I purchased a replacement thinking that Nite Ize finally figured out the design. I was wrong, this one lasted for about 6 or 7 evenings of ball fetching and stopped working. Just a disappointment that they can't get this issue solved.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 18, 2025
C
Verified Purchase
Chris Aultman
Boise, US
★★★★★ 5
Doggy and Daddy like the pretty lights
My dog loves this ball! So do his friends. He's not much of a ball guy during the day, but loses his mind with this ball. And I like it because the pretty changy colors agree with my edibles. Very durable and the charge seems to last at least five hours.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 23, 2025

recommand products

10K Yellow Gold 1.75 Cttw Diamond Ladies Rings
10K Yellow Gold 1.75 Cttw Diamond Ladies Rings
1548.24
 10K Yellow Gold 1.72-1.81 Cttw Diamond Dark Earring
10K Yellow Gold 1.72-1.81 Cttw Diamond Dark Earring
654.75
 10K Yellow Gold 1.47- 1.56 Cttw Diamond Mens Rings
10K Yellow Gold 1.47- 1.56 Cttw Diamond Mens Rings
1187.99
 10K Yellow Gold 1.50 Cttw Diamond Ladies Ring
10K Yellow Gold 1.50 Cttw Diamond Ladies Ring
1468.49
 10K Yellow Gold 2.54-2.64 Cttw Diamond Necklace
10K Yellow Gold 2.54-2.64 Cttw Diamond Necklace "26Inch"
2331.24