Airsep Freestyle 3
- 90-95%
- Portable (Battery-powered)
- 1-3Pulse setting
Philips SimplyGo Portable Oxygen Concentrator
- 90-96%
- Portable (Battery powered)
- 0.5-2LPM
Airsep Freestyle 3 and Oxysure Go Portable Oxygen Concentrator - Airline Approved are both Portable (Battery-powered) Portable (Battery-powered) Oxygen Concentrators with purity 90-95 %. However, they differ in areas such as Purity, Battery Duration, Type and Pulse Flow.
Below is a detailed comparison of Airsep Freestyle 3 and Oxysure Go Portable Oxygen Concentrator - Airline Approved to help you understand their specifications, features, advantages, and key differences.
| Compare | ||
|---|---|---|
| Brand | AirSep | Oxysure |
| Rating | ||
| Warranty |
3 year warranty
|
3 year warranty
|
| Purity | 90-95 % | 90-96 % |
| Battery Duration | — | 5 hours |
| Type | Portable (Battery-powered) | Portable (Battery powered) |
| Pulse Flow | 1-3 Pulse setting | 5 Pulse setting |
| mL dose | 8.75 mL | 1000 mL |
| Weight | 2 kg | 1.98 kg |
| Operating altitude | 12000 feet | 10000 feet |
| Battery backup (at 2 pulse setting) | 2.5 hours | 3.8 hours |
| Recharge time | 4 hours | 2 hours |
| Backup with external battery pack | 10 hours | 10 hours |
| Oxygen Purity Indicator (OPI) | No | Yes |
| Sound level | 41 db | 38 db |
| Dimensions | 8.6H x 6.1W x 3.6D inch | 7.8"H x 7.2"W x 3.3"D inch |
| Oxygen Purity % Analyzer | No | — |
| Indian Voltage Model | Yes | Yes |
| Loss of Power Alarm | Yes | — |
| Company Headquarters | USA | India |
| System Malfunction Alarm | Yes | — |
| No Flow Alarm | Yes | — |
| US FDA Approved | Yes | Yes |
| FAA Approved | Yes | Yes |
| CE Certified | Yes | Yes |
| User Replaceable Sieve Beds | — | Yes |
| Warranty | — | 3 Years |
| What's in the box | — | Oxysure Go Main Unit, Battery (based on variant), AC Adapter (100–240V), DC Car Charger, 5 Filters, 7 ft Nasal Cannula, Sling Bag, User Manual, Universal Adapter, Key for user-replaceable sieve beds |
| Literature | ||
| Brochure | Download Brochure | Download Brochure |
| User manual | Airsep Freestyle 3 User Manual | - |
| Service manual | Airsep Freestyle 3 Service Manual | - |
Airsep Freestyle 3 is listed as a Portable (Battery-powered) oxygen concentrator, while Oxysure Go Portable Oxygen Concentrator - Airline Approved is listed as a Portable (Battery powered) oxygen concentrator.
Airsep Freestyle 3 provides pulse flow of 1-3 Pulse setting, while Oxysure Go Portable Oxygen Concentrator - Airline Approved provides pulse flow of 5 Pulse setting.
Both models provide medical-grade oxygen, with Airsep Freestyle 3 listed at 90-95 % and Oxysure Go Portable Oxygen Concentrator - Airline Approved listed at 90-96 % across their flow range.
Both Airsep Freestyle 3 and Oxysure Go Portable Oxygen Concentrator - Airline Approved come with 3 year warranty.
Airsep Freestyle 3 is headquartered in USA, while Oxysure Go Portable Oxygen Concentrator - Airline Approved is headquartered in India. Since Oxysure Go Portable Oxygen Concentrator - Airline Approved is headquartered in India, Indian customers may benefit from a well-established service network.
Oxysure Go Portable Oxygen Concentrator - Airline Approved has an Oxygen Purity Indicator while Airsep Freestyle 3 lacks this feature. A LED light turns on when purity drops below therapeutic level (typically below 82%).
Airsep Freestyle 3 does not have this feature, while information about this feature for Oxysure Go Portable Oxygen Concentrator - Airline Approved is not mentioned.
Airsep Freestyle 3 weighs 2 kg, while Oxysure Go Portable Oxygen Concentrator - Airline Approved weighs 1.98 kg. A lighter model is generally easier to move and handle.
Airsep Freestyle 3 measures 8.6H x 6.1W x 3.6D inch, while Oxysure Go Portable Oxygen Concentrator - Airline Approved measures 7.8"H x 7.2"W x 3.3"D inch.


