Inogen One G4 Inogen One G5 Caire Comfort
- 3 flow settings 6 flow settings 5 flow settings
- Only 2.8 lbs. Only 4.7 lbs. Only 5 lbs.
- 5-hour battery 12-hour battery 10-hour battery
SimplyGo Mini GCE Zen-O Philips SimplyGo
- 5 flow settings Up to 2 liters Up to 2 liters
- Only 5 lbs. Up to 6 pulse Up to 6 pulse
- 9-hour battery Only 10 lbs. Only 10 lbs.
- 4-hour battery 3-hour battery
- Charges in car Charges in car7
Caire Eclipse Inogen At Home
- Up to 3 liters 5 liter flow
- UP to 9 pulse Only 18 lbs.
- Only 18 lbs. Extremely quiet
- 4-hour battery Energy efficient