Inogen One G3 Compared to the AirSep Focus

Inogen One G3 Compared to the AirSep Focus

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Let’s compare two popular and highly-rated portable oxygen concentrators, the AirSep Focus and the Inogen One G3, both of which allow increased freedom of lifestyle for oxygen users, but vary significantly in what each product delivers.

The AirSep Focus is the smallest and lightest portable oxygen concentrator on the market. Weighing in at just 1.75 pounds (2.5 pounds with the battery attached), and measuring 4.8 X 2.5 X 6.4 inches, it is perfect for an on-the-go lifestyle, including physical activities.

The AirSep Focus comes with two micro-batteries that each last one and a half hours, allowing for three hours of use before recharging is necessary. These lithium ion batteries can be recharged in about four hours. The batteries can be attached to the unit or to your belt. An Airbelt battery pack, worn around the waist, can add three and half additional hours of battery life.

Recommended for patients who need a pulse oxygen flow of up to two, the AirSep Focus does not have a pulse flow setting that can be adjusted, but operates with a simple on-off switch .

The AirSep Focus will alarm the user when the cannula is disconnected, breath rate is low, the battery is low, the unit has a high temperature, or there is a general malfunction . It also monitors start-up, pulse flow, and high and low pressure.

The AirSep Focus is also very quiet, with a noise level of 41 decibels, and is FAA approved for air travel. It comes with a three-year warranty and a one-year warranty on batteries.

The Inogen One G3 is a more comprehensive portable oxygen concentrator. It is very lightweight, but not nearly as small or light as the Focus. At 4.8 pounds, it weighs more than twice as much as the Airsep Focus. The Inogen One G3 is still one of the smallest sized portable oxygen concentrators, measuring in at 7.25 x 3 x 8.75 inches, but not nearly as small as the Focus.

Unlike the AirSep Focus, which delivers oxygen at one pulse flow option, the Inogen One G3 delivers five pulse flow options, with setting from one to five. It allows the user to control the level of oxygen delivery through push-button up and down arrows. The battery life is shown on an LED display, which can be backlit. The Inogen One G3 also has an optional alarm button that will offer an audio and visual alert when no breath is detected for 60 seconds. The Inogen One G3 delivers about 90 percent oxygen concentration, similar to the Airsep Focus.

The Inogen One G3 comes with a single battery that lasts four and a half hours or a double battery that lasts up to nine hours, which is three times longer than the available basic battery power on the AirSep Focus. Like the AirSep Focus, the Inogen One G3 can be plugged into an AC or DC power supply. It is also relatively quiet; the Inogen One G3 produces less than 39 decibels of noise even though it is larger and more powerful than the Airsep Focus.

As with the AirSep Focus, the Inogen One G3 comes with a carrying bag with a shoulder strap. An optional backpack is also available for the Inogen One G3 unit. The Inogen offers the same three-year warranty as the AirSep, with a three-month warranty on accessories. The Inogen One G3 is FAA approved for air travel, just like the AirSep Focus.

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Scott joined American Medical Sales and Rentals in 2008 as a Web Manager and Content Writer. He is a writer and designer. He is extensively trained on oxygen therapy products from leading manufacturers such as Inogen, Respironics, Chart, Invacare, ResMed and more.

Scott works closely with respiratory therapists and oxygen specialists to educate the community about oxygen therapy products, COPD, asthma and lung diseases. He writes weekly columns and is passionate about educating the community on oxygen therapy and respiratory issues.

About Scott Ridl:

Scott joined American Medical Sales and Rentals in 2008 as a Web Manager and Content Writer. He is a writer and designer. He is extensively trained on oxygen therapy products from leading manufacturers such as Inogen, Respironics, Chart, Invacare, ResMed and more. Scott works closely with respiratory therapists and oxygen specialists to educate the community about oxygen therapy products, COPD, asthma and lung diseases. He writes weekly columns and is passionate about educating the community on oxygen therapy and respiratory issues.

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