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Get Your Freedom Back Today With
a Portable Oxygen Concentrator From 1st Class Medical!

Don't Pay Retail Today!

Our prices are so low manufacturers said we can't post our prices on the internet.

They didn't say we can't email them to you!


Fill Out The Form To Get Our Price List Sent Right To Your Email!

Why Buy From 1st Class Medical?
hqaaWe Are The Only HQAA Licensed Online Retailer

We are no fly by night company. When you purchase from us, you can count on us to be there to service all your needs.

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Fill Out The Form Below For Our Used Inventory List

We Offer Used And Refurbished Oxygen Concentrators As Low As $795

Save money today by purchasing a used or factory refurbished oxygen concentrator.


We Offer The EXCLUSIVE 1st Class Medical SwapIT Program

Our exclusive SwapIT program guarantees you peace of mind. If your machine ever needs to be sent in for repair, we will ship you out a replacement to keep at no additional cost to you!

Regain your freedom and guarantee your peace of mind with the EXCLUSIVE 1st Class Medical SwapIT program! 


We strive to provide all of our patients with the best service and care possible. With the addition of our brand new SwapIT program, we wanted to find a way to make the repair process as convenient as possible and to make your life easier. 


Benefits of the 1st Class Medical SwapIT Program:

  • No need to worry about your unit being repaired
  • We cover all of the shipping costs^
  • We schedule UPS to come pick up your unit at your current location^
  • You have no down time waiting for your unit to come back to you
  • The replacement unit is yours to keep
  • The SwapIt program lasts for the entire manufacturer's warranty
  • Simple one call process to swap concentrators


How SwapIT Works:

  1. You buy your portable oxygen concentrator from us
  2. If at any point you have an issue with your unit and it needs to be sent in for repair, we will SwapIT out with another concentrator** for you to keep (we cover the shipping costs^)
  3. Your replacement unit will be shipped out that same day* via UPS Ground (expedited shipping is available for an additional cost)
  4. We include a return shipping label in the box so you can easily return the faulty machine back to us

To take advantage of 1st Class Medical's exclusive SwapIT program, or if you have any questions, call 1-800-520-5726 and speak with a respiratory specialist today! 

You can also e-mail us at info@1stclassmedical.net




^Expedited shipping is not included in the SwapIt program. If you want or need expedited shipping, you are responsible for the shipping fees.
^Free ground shipping is only included for residents in the 48 contiguous states
*Same day shipping is only available if your SwapIt request is processed before 3:00pm MST.
**Replacement concentrator will have comparable hours to that of your current portable oxygen concentrator 
Worlds Largest Distributor Of Home And Portable Oxygen Concentrators

We have been in business for over 35 years! We carry every make and model of oxygen concentrators.


Instant Approval Financing

Get approved today for $72/month^ with NO money down!


Same Day Shipping

All orders can be shipped out same day as purchased!


30 Day Money Back Guarantee

Don't stress about your purchase. We want to make sure you like the oxygen machine of your choice!


Buy Back and Trade In Program

Have a unit you no longer need? Want to upgrade to a newer model? Great! We buy back and take trade-ins for all portable oxygen concentrators!

"Great company to work with. Caring, efficient, and with you all the way from ordering to putting your cannula on your face. Love, love, love my new Inogen One 3. My new found FREEDOM!
ANA- Ann P.

Get to know 1st Class Medical today! Watch the video below:


About 1st Class Medical

35+ Years of Oxygen Expertise

14 Inverness Dr. E Ste. B120, Englewood, CO 80112

Phone: 1-800-520-5726

Fax: 303-792-0711


We are here to help 7 days a week!

Monday - Thursday: 7:00am MST - 7:00pm MST

Friday: 8:00am MST - 5:00pm MST

Saturday: 9:00am MST - 4:00pm MST

Sunday: 12:00pm MST - 5:00pm MST


Authorized Dealer Of:

Screen_Shot_2014-10-22_at_4.19.10_PM          CAIRE.jpg         AirSep.jpg         DeVilbiss.jpg      InovaLabs.jpg         O2Concepts.jpg         Respironics-1.jpg          SeQual.jpg

 ^With Approved Credit