4 Liter Flow Oxygen Concentrators

We have 4 liter flow oxygen concentrators with the latest features and from brands like Respironics and Invacare. Four LPM machines are continuous flow and available as a home unit. With many diverse options and a wide variety of prices and weights – picking the right oxygen flow machine can pose a challenge. We are here to help!

A few of the best rated 4 liter concentrators include the Respironics EverFlo with OPI and Invacare Platinum 10.

Shop the wide variety of 4 liter flow concentrators available to you at Oxygen Concentrator Store that will help you to take care of your oxygen therapy needs.

Shop By

4 Items

per page
Set Descending Direction
  1. Invacare Perfecto2 Home Concentrator
    Invacare Perfecto2 Home Concentrator
    • 43 Pounds
    • .5 to 5 LPM
    • 3 Year Warranty
    • Includes Perfecto unit, cannula, and owner’s manual.

    Get Internet Pricing

    Complete the fields below to receive Spring Sale Pricing! 

  2. CAIRE Companion 5 Home Oxygen Concentrator - 15067005
    CAIRE Companion 5 Home Concentrator
    • 36 Pounds
    • .5 to 5 LPM
    • 3 Year Warranty
    • Includes the Companion 5 unit, cannula, and manual.

  3. Respironics Millennium M10 Oxygen Concentrator - M10600
    Respironics Millennium M10 Oxygen Concentrator
    • 53 Pounds
    • 1 to 10 LPM
    • 3 Year Warranty
    • Includes the Millennium M10 unit, cannula, and manual.

  4. Respironics Millennium M10 with OPI - M10605
    Respironics Millennium M10 with OPI
    • 53 Pounds
    • 1 to 10 LPM
    • Oxygen Percentage Indicator
    • Includes the Millennium M10 unit, cannula, and manual.

4 Items

per page
Set Descending Direction

Get Internet Pricing

Complete the fields below to receive Spring Sale Pricing! 

Download our Oxygen Therapy Kit

Educate yourself with our Oxygen Therapy Info Kit. It's easy and free. Complete the fields below to download the kit or click the button below to have it sent to your address.