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Respironics EverFlo Oxygen Concentrator

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Respironics EverFlo Oxygen Concentrator
Respironics EverFlo Oxygen Concentrator is a light weight home oxygen concentrator used for oxygen therapy.
Item# Description Size Price

EverFlo Oxygen Concentrator without OPI (Oxygen Percentage Indicator) - MSRP $2,252




EverFlo Oxygen Concentrator with OPI - MSRP $2,395





Respironics EverFlo Oxygen Concentrator are unique Stationary Oxygen Concentrators for patients looking for something more from their home Oxygen Concentrator used for Respiratory Therapy. Unlike most home oxygen concentrators, the EverFlo is lightweight: only 31 pounds. The Respironics Oxygen Concentrator is compact and quiet, emitting less than 45 dBA. The design innovations of Respironics concentrators require less maintenance. The EverFlo Concentrator features a much more compact, ergonomic design that takes up much less space and produces less heat and uses less power without losing performance. EverFlo Oxygen is available with or without an oxygen purity indicator (OPI).

The patient-friendly design of the Respironics EverFlo Concentrator makes life simpler and easier for oxygen patients. The Respironics small, quiet design uses less electricity, saving oxygen therapy patients money. EverFlo features a compact, non-medical design that fits the patient's surroundings. Heavy and bulky oxygen tanks are not necessary so you can avoid coordinating and scheduling oxygen resupply.

The Respironics EverFlo is very low maintenance. The internal maintenance-free dual filtration system means that only filter changes are required by homecare providers every two years! The EverFlo features a recessed flow meter and a metal cannula connector to prevent any accidental breakage. The optional Oxygen Percentage Indicator accurately and precisely measures the concentration of oxygen being dispensed. This indicator can be vitally important to strict oxygen therapy dosage requirements. Respironics has also reengineered the humidifier bottle connection, making the EverFlo much simpler to use for all patients.

Click on the following link to view a large diagram of the Respironics EverFlo Features. Respironics also manufactures the EverFlo Q which is a quieter version of the Respironics EverFlo Oxygen Concentrator. A comparison chart of the leading Home Oxygen Concentrators can be viewed at Comparing the Top 5 Home Oxygen Concentrators.

EverFlo Oxygen Concentrator System includes the following:

  1. EverFlo Concentrator
  2. Oxygen Percentage Indicator (optional)
  3. User's Manual.

EverFlo Concentrator Specifications:

  • Width: 15"
  • Height: 23"
  • Depth: 9.5"
  • Weight: 31 lbs (14 kg)
  • Sound Level: 45 dBA typical
  • Liter Flow: 0.5-5 liters per minute
  • Outlet Pressure: 5.5 PSI
  • Oxygen Concentration: (at 5 LPM) 93% (=/- 3%)
  • Average Power Consumption: 350 Watts
  • Input Frequency: 60hz
  • Required Maintenance Compressor Intake Filter: Change every 2 years
  • Compressor maintenance: 25,000 hours
  • Operating Temperature: 55 F to 90 F (12 C to 32 C)
  • Storage/Transport Humidity: -30 F to 160 F (-34 C to 71 C) up to 95% RH
  • OPI (Oxygen Percentage Indicator) Alarm Levels: Low Oxygen: 82%, Very Low Oxygen: 70%
  • Input Voltage: 120 VAC +/- 10%
  • Operating Altitude: 0 to 7,500 ft (0 to 2,286 m)
  • Warranty: 3 years limited.
  • Warranty voided if used for alternative purposes, including hyperbaric chambers.

Phillips Respironics Everflo Oxygen Concentrators Additional Information

Below is a chart provided by Vitality Medical comparing their top selling home oxygen machines (category leadership is highlighted in yellow).

Comparative Categories

Nuvo Lite

Nidex Nuvo Lite Oxygen Concentrator

AirSep Visionarie 5 Oxygen Concentrator
Respironics EverFlo
Respironics EverFlo Q Oxygen Concentrator
5 Liter

DeVilbiss 5 Liter Oxygen Concentrator
Perfecto 2

Invacare Perfecto 2 Oxygen Concentrator











Average Power Consumption



Oxygen Output Capacity





Output Pressure



87 to 96.5%87 to 95%

90 to 96%90 to 96%87 to 95.6%


3 yrs limited5 yrs3 yrs limited 3 yrs limited

5 yrs limited

As displayed above, the Nidex Nuvo Lite Concentrator and the AirSep VisionAire 5 provide the lowest noise when operating. The oxygen sensor is standard with the DeVilbiss. The AirSep VisionAire 5 Concentrator has the lowest weight while the DeVilbiss has the smallest profile and the least weight making these two concentrators the easiest to transport from room to room. The longest warranties go to the AirSep and Invacare Concentrators. Also noteworthy is the Invacare Perfecto 2's low power consumption. Any of these leading five concentrators can serve oxygen therapy patients well.

Please allow an additional 2 to 3 days for shipping on all Respironics products.

Vitality Medical also carries the top selling portable oxygen concentrators for oxygen therapy patients who wish to live a more active lifestyle. Many oxygen patients who require low dosage, also use their portable oxygen machines as their home oxygen system. When these oxygen patients travel, they bring their portable oxygen supply along with them. Some of these portable concentrators weigh less than 10 pounds and have small profiles. Vitality Medical also has oxygen masks, oximeters and oxygen therapy accessories you can purchase online for home or office delivery.

Vitality Medical is only authorized to sell and ship Respironics products to end-users residing in the United States.

Manufacturer’s Note: Philips Respironics recommends that new patients purchase their devices, masks and initial accessories from a homecare company that can provide an individualized patient equipment set-up, clinical and after-sales support, and a program to assist patients with therapy success.

Additional Note: MSRP for Respironics EverFlo Oxygen Concentrator with Full Local Support is $2,252, with Limited Support $2,052, or with Vitality Medical's Special Online Support $1,852.

To be compliant with current FDA regulations, we require a prescription for selected Portable Oxygen Concentrators, Home Stationary Concentrators and Pulse Oximeters. Prescriptions are NOT required for replacement parts and accessories. If a prescription is required for an item in your order we will inform you of the requirement and ask you how the prescription will be provided.

Prescriptions may be sent via:
Fax to: 1-801-733-5797
Email to:
Mail to: 7910 S 3500 E Suite C, SLC, UT 84121

If you are unable to obtain a copy of your prescription we are happy to contact your doctor and request the prescription on your behalf.

Additional Information

Additional Information

Manufacturer Respironics
Sub Brand No
Ships Free Yes
Size Chart No
Absorption No
Backing Strength No
Backsheet Material No
Color No
Compression No
Core Material No
Diameter No
Latex Free No
Needle Length No
Odor Control No
Ply No
Scent No
Size No
Sterility No
Toe Type No
Topsheet Material No
Thickness No
Woven / Non-Woven No
Material No
Gender No

Top Rated Customer Reviews - See All Reviews

Turn on alarm annoying
My husband goes to bed before me and every time I turn on my respirator, the beeeeep is so long and annoying it wakes him up. It is too large for taking on trips and is so noisy I have to put a pillow over it to muffle the sound being careful not to block the intake. I want a quieter, smaller unit without the beeep!
Product Rating
Review by Barb / (Posted on 11/10/2013)
EverFlo Oxygen Concentrator Review
This unit is very quiet. I run it at night and it does not bother my husband or me at all. It is very easy to use and can easily be moved from one room to another. You can watch Tv and you dont have to hear the oxygen concentrator in the back ground.
Product Rating
Review by Uma / (Posted on 1/26/2011)
Oxygen Concentrator Review
After being asthmatic for 2 years, I decided that I need to really take my therapy seriously. I frequently have to make sure that I lug around an oxygen concentrator when I travel, just for emergency. With this oxygen concentrator that problem was solved. I really love this product!
Product Rating
Review by Elizabeth / (Posted on 4/13/2011)
Works Well
The EverFlo works well. No complaints.
Product Rating
Review by Jamie / (Posted on 8/31/2012)
Small footprint, could be quieter but the new Q model improves that. virtually maintenance free. Occasional problem with stopping and beeping with no apparent cause.
Product Rating
Review by popcornery / (Posted on 5/8/2014)
Community Q&A

Product Questions

How do we connect the oxygen tube to the water bottle on the top of machine?