Introducing the smallest portable oxygen concentrator from the most popular brand, Inogen. The Inogen One G4 is capable of providing oxygen delivery in an unbelievable small and quiet package. With flow settings from 1-3, the Inogen One G4 is designed to increase independence for most users 24/7. It can be charged at home or on the go - giving you the freedom you deserve.

The Inogen One G4 delivers the independence of a portable oxygen concentrator in one of the smallest, lightest, and quietest packages available to the oxygen user today.

The Inogen Voxi 5 is one of the smallest home oxygen concentrators currently on the market, delivering compact, reliable, and continuous-flow oxygen therapy for everyday use. It provides 1–5 liters per minute of oxygen with 87–96% purity, quietly supporting your routine without disruption. Weighing just over 34 pounds and equipped with built-in caster wheels, the Voxi 5 is easy to move between rooms while maintaining consistent performance. Its intuitive controls, clear display, and audible alarms ensure safe, hassle-free operation, while durable construction and low power consumption make it an efficient, long-lasting solution. Whether you’re resting, reading, or sleeping, the Voxi 5 blends seamlessly into your home, offering dependable, medical-grade oxygen therapy in a small, unobtrusive design.