Respironics EverFlo Q

Quiet home unit, providing 1-5 liters per minute

The Respironics EverFlo Q is a small, quiet home concentrator. Weighing only 31 pounds, it’s light enough to pack in the back of your car for overnight travel.

5-year warranty

The Respironics EverFlo Q comes with a 5-year manufacturer’s warranty



Click Here to See the Respironics SimplyFlo

Respironics EverFlo Q

Also available with OPI (oxygen percentage indicator)
and a 3-year warranty


Product Features


Respironics’ compact, 31-pound EverFlo Q stationary oxygen concentrator is the first ultra-quiet concentrator available at an affordable price. The new EverFlo Q combines the small size, light weight and low maintenance of the popular EverFlo oxygen concentrator, with the added value of an ultra-quiet sound level. With EverFlo Q, you get the benefits of an ultra-quiet concentrator without the burden of paying an ultra-large premium.

Ultra quiet – 40 dBA typical

Lightweight and easy to transport at 31 pounds

Compact, ergonomic design takes up less space, looks less like a medical device

No homecare provider filter change for two years

Uses less power and produces less heat, so it’s more patient-friendly

No filters for the patient to change


Respironics EverFlo recessed flow indicator A recessed flow meter
helps reduce the chance of accidental breakage.


Respironics EverFlo durable metal cannula EverFlo’s durable metal cannula connection is less likely to break.


Respironics EverFlo humidifier bottle Humidifier Bottle Platform is designed to be compatible with all bottle styles and features an easy-to-use Velcro closure.

Respironics EverFlo Q Product Specifications

Input Voltage 120 VAC /- 10%
Input Frequency 60Hz
Average Power Consumption 350 Watts
(at 5LPM):
93% ( /- 3%)
Liter Flow 0.5 – 5 liters per minute
Weight 31 lbs. (14 kg)
Sound Level 40 dBA typical
Dimensions (HxWxD) 23 in (584 mm) H, 15 in (381 mm) W, 9.5 in (241 mm) D
Operating Temperature 55° to 90° F (12° to 32° C)
Storage/Transport Humidity -30° to 160° F
(-34° to 71° C)
up to 95% RH
Outlet Pressure 5.5 PSI
Operating Altitude 0 to 7,000 ft (0 to 2,286 m)












  • A valid prescription is required for the purchase of this product.
  • Manufacturer’s Note: Respironics recommends that new patients purchase their devices, and initial accessories from a homecare company that can provide a loaner unit to the individualized patient equipment set-up, clinical and after-sales support, and a program to assist patients with therapy success.
  • We are only authorized to sell and ship Respironics products to end-users residing in the United States.


*Device operation above or outside of the specified voltage, LPM, temperature, humidity and/or altitude values may decrease oxygen concentration levels.