Inogen One G4 Portable Oxygen Concentrator w/ 8-Cell Battery

The Inogen One G4 is an oxygen concentrator that has been specifically crafted for individuals who need a portable, lightweight, and small device to support their oxygen requirements.

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CALL NOW FOR IN-STORE OR WEEKLY SPECIALS (818) 981-9906

Inogen (Model: IS-400-NA8)
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Sale: $1,995.00
What's Included
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3 Years Warranty
Lifetime Warranty
Prescription Required FAA Approved Oxygen Concentrator On Display

The Inogen One G4 is an oxygen concentrator that has been specifically crafted for individuals who need a portable, lightweight, and small device to support their oxygen requirements. CALL NOW FOR OUR WEEKLY SPECIALS (818) 981-9906

Weight Liters Per Minute Noise Level Length Width Height Warranty
3.3 lbs 1-3 LPM 40 dB 5.91" 2.68" 7.79" 3 Year Limited or Lifetime

Inogen One G4 Portable Oxygen Concentrator 

The Inogen One G4 is a portable oxygen concentrator specifically designed for oxygen users who require a lightweight and compact device. Weighing only 3.3 pounds, it offers convenience and mobility for individuals who need oxygen therapy on the go. Its small size and battery pack enable users to engage in various activities outside their homes, such as running errands, visiting family, or going on vacations.

Inogen One G4

One of the notable features of the Inogen One G4 is its compliance with FAA (Federal Aviation Administration) requirements for travel. This means that individuals can bring and use the device during air travel, providing them with the freedom to maintain their oxygen therapy while flying. The Inogen One G4 offers versatility in terms of power options. It can be easily connected to a power source at home or on the road, ensuring continuous operation. Additionally, it can be used with an external battery when users are away from home, providing them with extended usage time and flexibility.

Inogen One G4 and G5

In terms of warranties, Inogen offers two options to cater to different customer needs. The first option is a standard Three-Year Warranty, which covers the concentrator for a period of three years. The second option is a Lifetime Warranty, ensuring that the concentrator remains covered for its entire lifespan. Inogen recognizes the importance of providing peace of mind to its customers, and both warranty options are designed to offer reliability and support. Whether you choose the Three-Year Warranty or the Lifetime Warranty, you can trust Inogen to deliver quality products and dependable customer service.

Battery Life Chart

Weight 3.3 lbs
Dimensions 5.91" x 2.68" x 7.79" in (Height Includes Double Battery)
Oxygen Flow Intelligent Delivery Technology
Three Flow Settings From 1-3
Power Settings AC Power Supply 100-240 V, 50-60 Hz
(Auto Sensing to Allow Worldwide Use)
DC Power: for mobile use in car/airplane
Noise Level 40 dBA on Setting 2
Warranty Concentrator: 3 Years or Lifetime
Concentrator Sieve Beds and Accessories: 1 Year
See Limited Warranty Statement for Details.
Use Designed for Stationary, Portable, and Travel *with a double battery


Battery Specifications:     

G4 Single Battery    

Rechargeable Lithium-Ion Battery for Inogen One G4 Model   

Battery Duration: Up to 2.7 hours* *on Flow Setting 1; Battery time varies with flow setting, 2.7 hours


G4 Double Battery

Rechargeable Lithium-Ion Battery for Inogen One G4 Model

Battery Duration: Up to 5 hours* *on Flow Setting 1; battery time varies with flow setting


  • Warranty

    Concentrator: 3 Years or Lifetime

    Concentrator Sieve Beds and Accessories: 1 year

    See Limited Warranty Statement for details.
30 Day Return with 20% re-stocking fee. The Inogen At Home GS-100 must be in an UNUSED condition, in its original box/packaging, with all accessories and manuals/instructions included inside. The customer is responsible for return shipping and cost. The customer is responsible for lost or damaged items upon return shipping. A refund will be issued and approved after the item is received and inspected by Sherman Oaks Medical Supplies.

Our service area covers most of Southern California including Los Angeles and surrounding cities.
To see a full list of cities covered in our service area please .

Agoura Hills
Alhambra
Altadena
Arcadia
Arleta
Artesia
Avalon
Azusa
Baldwin Park
Bel Air
Bell
Bell Gardens
Bellflower
Beverly Hills
Bradbury
Brentwood
Burbank
Cahuenga Pass
Calabasas
Camarillo
Canoga Park
Carson
Cerritos
Chatsworth
Claremont
Commerce
Compton
Covina
Cudahy
Culver City
Diamond Bar
Downey
Duarte
Eagle Rock
El Monte
El Segundo
Encino
Gardena
Glendale
Glendora
Granada Hills
Hawaiian Gardens
Hawthorne
Hermosa Beach
Hidden Hills
Huntington Park
Industry
Inglewood
Irwindale
Kagel Canyon
La Canada
La Crescenta
La Habra Heights
La Mirada
La Puente
La Tuna Canyon
La Verne
Lake Balboa
Lake View Terrace
Lakewood
Lancaster
Lawndale
Lomita
Long Beach
Los Angeles
Lynwood
Malibu
Manhattan Beach
Marina Del Rey
Maywood
Mission Hills
Monrovia
Montebello
Monterey Park
Montrose
NoHo Arts District
North Hills
North Hollywood
Northridge
Norwalk
Oak Park
Olive View
Oxnard
Pacific Palisades
Pacoima
Palmdale
Palos Verdes
Panorama City
Paramount
Pasadena
Pico Rivera
Pomona
Porter Ranch
Redondo Beach
Reseda
Rolling Hills
Rosemead
San Dimas
San Fernando
San Gabriel
San Marino
Santa Barbara
Santa Clarita
Santa Fe Springs
Santa Monica
Sepulveda
Shadow Hills
Sherman Oaks
Sierra Madre
Signal Hill
Simi Valley
South El Monte
South Gate
South Pasadena
Stonehurst
Studio City
Sun Valley
Sunland
Sylmar
Tarzana
Temple City
Thousand Oaks
Toluca Lake
Toluca Woods
Topanga
Torrance
Tujunga
Valencia
Valley Glen
Valley Village
Van Nuys
Ventura
Vernon
Walnut
Warner Center
West Covina
West Hills
West Hollywood
West Toluca
Westlake Village
Westwood
Whittier
Winnetka
Woodland Hills