• Built upon a legacy of reliable, field-proven concentrator models, the DeVilbiss 5 Liter Oxygen Concentrator was designed with enhanced quality, durability, and simplicity in mind.
  • Patented DeVilbiss Turn-Down Technology minimizes wear on internal components, reduces power consumption by 15% or more, and extends the life of the concentrator.
  • Exclusive DeVilbiss OSD (Oxygen Sensing Device), standard on every unit, ensures patient safety and reliability for longer service intervals.
  • Readily accessible patient controls, protected cannula fitting, and recessed humidifier nook to prevent damage
  • Alarms Audible and visual high/low pressure, low flow, low oxygen, power fail, Oxygen Sensing Device
  • Sold separately, the Transfill Caddy is designed with a steel frame to connect the 18 x 14-inch shelf, designed to support up to 40 lbs, to the DeVilbiss 5L Concentrator. Rearview (Figure A), Front View (Figure B)
  • Operational Video
  • Soft-Touch Oxygen Cannulas with Standard Connector
  • Soft-Touch nasal cannula with curved, non-flared nasal prongs helps minimize irritation and soreness.
  • Designed for long-term oxygen patients
  • Available in a variety of patient sizes and with or without crush-resistant tubing

Inogen One G4 Portable Oxygen Concentrator

The Inogen One G4 is designed for oxygen users looking for a small, quiet, lightweight, portable oxygen concentrator. Weighing only 3.3 pounds*, the Inogen One G4’s portable size and battery pack can empower you to do activities outside the home, such as running errands, visiting family, or taking a vacation. The Inogen One G4 meets FAA requirements for travel.

The Inogen One G4 can be plugged into a power source at home, on the road, or used with an external battery when away from home. It gives you more options, simplified.

When it comes to warranties**, Inogen understands that peace of mind is important. We’ve put together two customer warranties to best suit your individual needs. Our first is a standard Three-Year Warranty, while the second option is a Lifetime Warranty ensuring your concentrator is covered for life.  No matter which warranty you choose, you can always depend on Inogen.

Scroll below to see the listed accessories included in the Inogen One System.


Salter Labs E-Z Wraps improve comfort and help prevent chafing and soreness during oxygen therapy, especially in the area behind and over the ears. These soft, light gray, closed-cell foam tubes are designed to cover the tubing that sits behind the ears when wearing oxygen nasal cannulas.

  • Responsive Respiratory - Medical Oxygen Liter Meter

  • Responsive Respiratory - Medical Oxygen Liter Meter is a small compact lightweight concentrator flow check that is used to quickly verify the flow of gas. A liter meter helps to verify that oxygen equipment is accurately dispensing proper amounts of gas flow. Easy to read. Simple to use.

    Two styles:
    Standard measures 0-8 LPM
    High Flow measures 2-15 LPM
    Each sold individually

    This device is intended as a concentrator flow check and is not for use to verify quality or purity of gas being measured. Ideal for use with all types of concentrators. Not a calibration device.

Inogen At Home Oxygen Concentrator

The new Inogen At Home is one of the lightest, quietest, and most energy-efficient 5 liters per minute continuous flow oxygen concentrators on the market today.

At approximately 18 pounds, it is half the weight of some other home oxygen concentrators today. Additionally, Inogen At Home runs at very low power consumption levels, saving you money in electricity costs and paying for itself over the long term.

The Inogen At Home is designed to be the most efficient choice for your next home oxygen concentrator, so order yours now and enjoy a lighter, quieter, more energy-efficient home oxygen concentrator!


The Inogen One G5 Double Battery is a perfect power source to give you independence and mobility for extended vacations or trips. The rechargeable lithium-ion double battery provides up to 10 hours at a flow setting of 2 when fully charged.

The Double Battery is small enough to easily fit in a backpack, accessory bag, or purse. It can easily be charged with the G5 External Battery Charger or with the Inogen G5 when it is connected to an AC or DC power supply. A fully depleted battery can be charged in under 3 hours.


  • Lasts up to 10 hours
  • Recharges in 3 hours with AC or DC power supply
  • Quick-release button
  • Non-slip grip base
  • IN THE PACKAGEInogenOne G5 Portable Oxygen Concentrator, Custom Carry Bag with Adjustable Shoulder Strap, Rechargeable Battery (Single or Double), Universal AC Power Supply, DC Power Cord, 1 Nasal Cannula, 3-Year Manufacturer's Warranty, and Printed User Guide. Additional Options Available During Checkout.
  • PART NUMBER(S)IS-500-NA8 (with Single Battery), IS-500-NA16 (with Double Battery)
  • GTIN / UPC CODE00817131020162
  • WARRANTY3 Years - Review manufacturer's documentation for full warranty details.
  • PRESCRIPTION ITEMPrescription required for the purchase of this item.
  • COUNTRYUnited States of America (Typical Origin)


  • Each Inogen One G5 includes FAA Approval information The FAA approves this product for use on all commercial flights within the US and all international flights that depart or arrive in the US. Click here for TSA / FAA information on traveling with sleep and oxygen therapy. Always contact your airline prior to your flight to confirm any requirements they may have (i.e. a copy of your prescription or a letter of medical necessity) for allowing your device on board.

Clear Crush-Resistant Oxygen Tubing, 14', Universal Connector

  • Crush-resistant, low-memory material helps prevent kinking
  • For standard and high-flow applications
  • Universal connector eliminates the need for a Christmas tree adapter
  • Soft-Touch Oxygen Cannulas with Standard Connector

  • Clear Oxygen Tubing with Universal Connector 
  • Crush-resistant, low-memory material helps prevent kinking
  • For standard and high-flow applications
  • A universal connector eliminates the need for a Christmas tree adapter.
  • A soft-Touch nasal cannula with curved, non-flared nasal prongs helps minimize irritation and soreness
  • Designed for long-term oxygen patients
  • Available in a variety of patient sizes and with or without crush-resistant tubing


  • For conveniently carrying an oxygen tank as a backpack or on a mobility aid


  • Height: 15”
  • Length: 9”


  • Water-resistant polyester


  • Gray
  • Black
  • Purple

Care Instructions:

  • Machine or hand wash in cool water with a mild detergent
  • Air dry completely before use
  • Do not bleach


  • M2 - 5.7” in height / 2.5” diameter
  • A or M4 - 8.7” in height / 3.21” diameter
  • ML6 - 7.8” in height / 4.38” diameter
  • M9 - 10.9” in height / 4.38” diameter
  • B or M6 - 11.8” in height / 3.21” diameter
  • M7 - 9.18” in height / 4.38” diameter
  • C Tank - 11” in height / 4.38” diameter

What’s Included:

  • Vive Tank Holder Bag
  • 60 day guarantee

The External Battery Charger with US connection is used to charge the Zen-O™ Portable Oxygen Concentrator battery.


Carry Bag for the Zen-O Lite Unit-attractive and provides a protective cover for the unit when out in public or transporting device.


DC Power Adapter for the Zen-O Lite Concentrator-charge device from a car, boat or RV.

-DC Adapter Input:11.5 -16 VDC.
-DC Output: 19 VDC, 7.9 A.


This 8 cell re-chargeable lithium ion battery will power your Zen-O™ Lite Portable Oxygen Concentrator. Each battery lasts for 4 hours on a single charge.

-Battery: Lithium Ion 8 Cell.
-Battery Duration: 4 hours at setting 2.


GCE Zen-O POC Cannula Filter Replacement Pack-replacement for cannula filter for Zen-O Oxygen Concentrator. Pack of 10 filters.