Philips Everflo Oxygen Concentrator

-> One of the main design features is that, it is almost silent during operation at around 40 decibels.
-> The Visionaire is ideal for users who are sound-sensitive and value quiet time during use.
-> It is a home concentrator that is even small and lightweight enough to use during travel and vacations.
-> The VisionAire is almost maintenance free and filter free that eliminates inconvenient and pricey maintenance and repair costs.
-> It uses only 290 watts of power; about half the amount of electricity used by other home concentrators.