Oxygen Concentrator vs. Oxygen Tank: Which Is Right for You?
If you or a loved one requires supplemental oxygen, you may be wondering which option is right for you: an oxygen concentrator or an oxygen tank. Here, we’ll break down the pros and cons of each so you can make an informed decision.
Oxygen Concentrators
What are Oxygen Concentrators?
An oxygen concentrator is a machine that extracts oxygen from the air and delivers it through a nasal cannula or mask. They are typically used in the home, but there are also portable models available for travel.
Pros of Oxygen Concentrators
- They are more cost-effective in the long run than oxygen tanks
- They do not require refilling, like tanks do
- They can provide a continuous flow of oxygen
- They are more environmentally friendly than oxygen tanks
Cons of Oxygen Concentrators
- They require access to electricity to function
- They can be noisy
- They can be bulky and heavy
Oxygen Tanks
What are Oxygen Tanks?
An oxygen tank is a pressurized cylinder filled with oxygen. They are typically used as a backup oxygen source in case of power outages or when traveling.
Pros of Oxygen Tanks
- They are portable and can be taken anywhere
- They do not require electricity to function
- They can provide a high flow of oxygen
Cons of Oxygen Tanks
- They require refilling and can run out of oxygen
- They can be heavy and difficult to transport
- They can be dangerous if mishandled or damaged
Rhythm Healthcare Concentrators
If you’re interested in purchasing an oxygen concentrator, we strongly recommend Rhythm Healthcare. They are the number one rated portable oxygen concentrator manufacturer and offer high-quality, reliable machines.
P2-E7 Portable Oxygen Concentrator
One of Rhythm Healthcare’s flagship products is the P2-E7 Portable Oxygen Concentrator. It is compact and lightweight, making it easy to travel with. It also includes a convenient AC/DC car charger and meets FAA travel restrictions.
Technical specifications for the P2-E7 include seven flow settings, an oxygen concentration of 90%-3%/+6%, and a rechargeable battery with a duration of up to 5.4 hours on setting 1.
FAQ
How do oxygen concentrators work?
Oxygen concentrators work by filtering air through a sieve bed, separating the oxygen from the other gases in the air. The oxygen is then delivered through a nasal cannula or mask.
Can I travel with an oxygen concentrator?
Yes, there are portable oxygen concentrators available that can be taken on planes and meet FAA travel restrictions. Check with your airline for their specific policies and requirements.
How often do oxygen tanks need to be refilled?
The frequency of oxygen tank refills will depend on the flow rate and volume of oxygen required. It’s important to monitor your tank’s levels and plan ahead for refills.



Rhythm Healthcare’s P2-E7 Portable Oxygen Concentrator
Rhythm Healthcare is a leading manufacturer of portable oxygen concentrators with their flagship product being the P2-E7 Portable Oxygen Concentrator. This oxygen concentrator is highly rated due to its compact size, lightweight and convenient features.
FEATURES
- Compact & Lightweight: The P2-E7 model is compact and lightweight making it highly portable and easy to carry around.
- Convenient Backup Battery: The device comes with the option to purchase an additional backup battery that can be charged while in use. Charging time is only 2.5 hours.
- Long Battery Life: The battery duration is up to 5.4 hours on setting 1.
- Highly Efficient & Quiet: The concentrator has a high efficiency and a low noise level with excellent heat dissipation features.
- High Absorption Sieve Bed: The high absorption sieve bed is equivalent to up to 7L.
- AC/DC Car Charger Included: The device comes with an AC/DC car charger making it easy to charge on the go.
- FAA Travel Restrictions: The P2-E7 Portable Oxygen Concentrator meets FAA travel restrictions.
SPECIFICATIONS
- Size: 8.7” x 3.4“ x 6.3”
- Weight: 4.37lbs
- Warm-Up Time: 2 minutes
- Flow Settings: Seven Flow Settings (1-7)
- Oxygen Concentration: 90%-3%/+6%
- Oxygen Concentration Sensors: The P2-E7 model comes with Low Oxygen Concentration Alarm (< 87%), Incorrect Concentration Alarm (< 50%) and Concentration Sensor Error Alarm.
- Alarms: The concentrator has a Power Failure/High and Low Temperature Alarm, Low Oxygen Concentration/Low Battery Alarm, and High and Low Pressure/Sieve Bed Replacing Alarm.
- AC Power Supply: Input 100-240v, 50-60hz (auto sensing to allow for worldwide use)
- DC Power Supply Input: 11-16V, Output 19V 6.3A
- Rechargeable Battery: 14.4V
- Battery Rated Capacity: 6.7Ah
- Display Screen: 2.8”
- Battery: 6700mAh, duration up to 5.4 hours on setting 1.
- Operation: Simple control functions and easy-to-read LCD display.
- Use: Designed for 24/7 use.
GET YOUR P2-E7 PORTABLE OXYGEN CONCENTRATOR TODAY
If you’re looking for a portable oxygen concentrator, the P2-E7 Portable Oxygen Concentrator from Rhythm Healthcare is the perfect solution for you. It’s compact, lightweight, efficient, quiet and comes with all the necessary features to make your life a lot easier. So, get your P2-E7 Portable Oxygen Concentrator today and experience the freedom that comes with having oxygen on the go!
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