2025 Best-selling Oxygen Concentrator models and Brands

January 14, 2026

01 RESPIREASY

Found in 2011, RESPIREASY focuses on creating high-quality oxygen concentrators and personal breathing products for everyday use. Our product line includes home and portable oxygen concentrators, nebulizers, and other personal oxygen devices designed for comfort, convenience, and long-term reliability.

Portable Oxygen Concentrators

Top Sale-1

Lightweight 2.4lbs Portable DEDAKJ Oxygen Concentrator 1-6L/Min 95% Purity Air O2 Making Generator Machine for Travel Outgoing
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Top Sale-2

2025 Small Lightweight Oxygen Concentrator 7 Liter 93% Purity Mini Portable O2 Generator Oxygen Machine with Lithium Battery
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Top Sale-3

Top 9 Liters Small Portable O2 Concentrator DEDAKJ 93% High Purity Mini Mobile Oxygem Machine RESPIREASY Home Powerful Flow Oxygen Concentrator for Travel Use
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Top Sale-4

Portable Oxygen Concentrator 5 Liter Continuous Flow Rate Mini Size Rechargeable POC Oxygenerator O2 Making Machine with 6700mA Battery
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02 DEDAKJ Medical

DEDAKJ Group is a national high-tech and professional innovative manufacturer with diverse selection of oxygen concentrator.

DEDAKJ is a 3500 square meter certified manufacturing facility with an advance technical management system. The production capacity is 2 Million units per year and all products are made adhering to American and European standards to meet the global market requirements.

DEDAKJ have two strong Research and Development teams of more than 30 senior scientific experts. One is in Germany and another one is in ShenZhen. DEDAKJ already has more than 100 patents and 17 software copyrights.

Home Care Oxygen Concentrators

Top Sale-1

DEDAKJ 1-7 Liter Home Oxygen Concentrator Continuous Flow Oxygen Generator Portable Oxygen Making Machine 110V/220V DE-1LW
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Top Sale-2

DEDAKJ 9 LPM Powerful Home Oxygen Concentrator 93% High Purity Portable Continuous Flow Rate Travel Oxygen Concentrator DE-2A
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Top Sale-3

Low Price DEDAKJ Portable 1-7L /2-9 Liters Oxygen Apparatus Machine Oxygen Concentrator Continuous Flow Adjustable for Home Asthma Breathing Therapy Care RE-K1L 110V/220V
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Top Sale-4

DEDAKJ 2-9 L/min Portable Home Care Oxygen Concentrator 93% High Purity Personal Care O2 Making Machine Continuous Flow Oxygen Inhalation Machine with Atomization Function
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Let customers speak for us

from 860 reviews

Top Quality Oxygen Machine

Everything feels well-engineered and reliable. Worth the money.

Edward N.

09/21/2025

Sales DEDAKJ Portable Oxygen Concentrators 8 Liters Continuous Flow Oxygen Generator O2 Breathing Equipment for Home Personal Care 110V/220V

Portable Design

The handle makes a big difference. I move it around the house all the time.

Helen W.

09/21/2025

Sales DEDAKJ Portable Oxygen Concentrators 8 Liters Continuous Flow Oxygen Generator O2 Breathing Equipment for Home Personal Care 110V/220V

Great Buy

This oxygen concentrator exceeded my expectations in every way.

Amy C.

09/21/2025

Sales DEDAKJ Portable Oxygen Concentrators 8 Liters Continuous Flow Oxygen Generator O2 Breathing Equipment for Home Personal Care 110V/220V

Exceeded expectations

The oxygen flow is steady, the unit is quiet, and setup was simple. Very happy.

Ethan Sanchez

09/15/2025

Buy DEDAKJ Small Portable Oxygen Concentrator 7 L/min 93% High Pure Oxygen Rechargeable Battery Powered Compact Oxygen Making Machine for Home & Outdoor Use

Compact and easy to carry

Less than 2kg, fits in my backpack easily. Very portable.

Hannah Stewart

09/13/2025

Buy DEDAKJ Small Portable Oxygen Concentrator 7 L/min 93% High Pure Oxygen Rechargeable Battery Powered Compact Oxygen Making Machine for Home & Outdoor Use

Reliable for elderly patients

My mother uses it daily. Simple controls and dependable oxygen.

Megan Edwards

09/09/2025

Buy DEDAKJ Small Portable Oxygen Concentrator 7 L/min 93% High Pure Oxygen Rechargeable Battery Powered Compact Oxygen Making Machine for Home & Outdoor Use

Best concentrator for travel

Portable, lightweight, long battery life. Perfect for plane trips and road trips.

Victoria Parker

09/05/2025

Buy DEDAKJ Small Portable Oxygen Concentrator 7 L/min 93% High Pure Oxygen Rechargeable Battery Powered Compact Oxygen Making Machine for Home & Outdoor Use

Life changing product

This concentrator gave me back a sense of independence. I can now rest and move around my house with ease.

Andrew

09/02/2025

2026 Buy 9 Liters Continuous Flow Oxygen Concecntrator 93% Concentration O2 Making Machine for Personal Breathing Care 1 Year Quality Warranty

Great customer service

I had a question about the warranty and their support team was quick to respond and very helpful. It's nice to know they stand behind the product.

Jason Baker

08/30/2025

Buy 9L Oxygen Concentrator dedakj Adjustable Continuous O2 93% Purity Portable High Concentration Oxygen Machine with Atomization Voice Low Noise

Very gentle sound

The sound it makes is a soft, low hum, which is almost soothing. It's not jarring or annoying like other medical equipment can be.

Margaret Harris

08/30/2025

Buy DEDAKJ Portable 1-9L Adjustable Continuous Flow Oxygen Generator Home Breathing Therapy Use Oxygen Concentrator with 93% High Purity

Fantastic product

I've tried two other brands. This is by far the best. The build quality is superior, the materials feel better, and it just performs better. This is the one to buy.

Sandra Carter

08/29/2025

2026 Small Lightweight Oxygen Concentrator 7 Liter 93% Purity Mini Portable O2 Generator Oxygen Machine with Lithium Battery

Easy to set up

I was worried about a complicated setup. It was none of that. Plug in the battery, attach the cannula, and press power. It was running in under a minute. Perfect.

Mark Baker

08/27/2025

2026 Small Lightweight Oxygen Concentrator 7 Liter 93% Purity Mini Portable O2 Generator Oxygen Machine with Lithium Battery

Aesthetically pleasing

It's not an eyesore! It has a sleek, modern look that doesn't scream 'medical device.' I don't mind having it out in the open when company comes over.

Margaret Lee

08/27/2025

Buy 9L Oxygen Concentrator dedakj Adjustable Continuous O2 93% Purity Portable High Concentration Oxygen Machine with Atomization Voice Low Noise

Great product for the price

This concentrator offers excellent value. It has all the features I need at a fraction of the cost of other models. I'm very satisfied with my purchase.

Rebecca Bailey

08/25/2025

2026 Small Lightweight Oxygen Concentrator 7 Liter 93% Purity Mini Portable O2 Generator Oxygen Machine with Lithium Battery

A lifeline

This isn't just a device; it's a lifeline to the outside world. It reduces my anxiety so much knowing I have reliable oxygen with me wherever I go. It's empowering.

Dorothy Nelson

08/24/2025

2026 Small Lightweight Oxygen Concentrator 7 Liter 93% Purity Mini Portable O2 Generator Oxygen Machine with Lithium Battery

🔥🔥🔥Buy One, Get One Free (BOGO)

👀Click to read

Customer Care Program: BOGO

📢📢📢First come first served! —Only 20 Available

🔥🔥Buy portable machine get home machine FREELY.
Buy a Mini Oxygen Machine —Get a FREE RE-R1L Home Oxygen Machine (1–8L)!

Steps: Add a portable oxygen machine and the RE-R1L home unit to your cart — get the home device free at checkout.
* Agreement: By applying for the free RE-R1L, you accept Customer Care Program requirement below.

Free Home machine:
https://dedakjoxygenconcentrators.com/products/buy-dedakj-portable-oxygen-concentrators-8-liters-continuous-flow-oxygen-generator-o2-breathing-equipment-for-home-personal-care-110v-220v

BOGO Requirements for Free Home Device:

Mandatory Requirements for Free Device:
Within 7 days of receipt:

1️⃣Record a short, positive video using or unboxing your machines.
2️⃣Post it on at least 3 platforms (Reddit, TikTok, YouTube, Facebook, X, or Instagram).
3️⃣Include this purchase link in each post: https://dedakjoxygenconcentrators.com/collections/amazing-deals
4️⃣Send us all post links or screenshots as proof of completion, dedakj@yahoo.com

Completion of these steps is mandatory to retain your free device.

-----------------------------------------

Customer Care Program:

📢📢📢Buy portable machine get home machine FREELY

🔥🔥First come first served! —Only 20 Available
Buy a Mini Oxygen Machine —Get a FREE RE-R1L Home Oxygen Machine (1–8L)!

Customers Care-$80 Gift Card, Open Enrollment Period Is Here

We offer specialized care for our customer. Discover Customers Care Plan that connect you to us oxygen concentrator manufacturer.

Understanding each part of Customers Care Plan

Customers Care Plan Enrollment Process

Step 1

Please shoot a product video (≥35s) which shows the good using feeling of our machine.

Step 2

Please upload this video to 3 social media platforms, such as TikTok/

You tube / Facebook etc.

(Please note: the link of our official website must be included in the description of the short video.)

Step 3

With these video links, contact our official staff.

You can get a free value $80 original oxygen accessories.

Customers Care-$80 Gift Card Advantage

When you choose a Customers Care-$80 Gift Card Plan, RESPIREASY is your best option in providing quality oxygen breathing care to you. We are here for you, every step of the way.

Accessibility – We have an extensive network of healthcare professionals providing comprehensive oxygen breathing care.
Diversity – We are a culturally aligned care team, committed to embracing diverse cultures with compassion and understanding.
Excellence – We strive for the highest quality in patient breathing care.
Collaboration – We work as a team with our physicians, localized clinics, and ancillary providers, bringing a full spectrum of care to our patients.
Innovation – We embrace new ideas and technologies to enhance patient care and outcomes.

Customers Care FAQ

Who is eligible for Customers Care Plan?
People who are our customers and holding our oxygen concentrators directly from our official store.

When can I enroll in Customers Care Plan?
Now, just please follow our Enrollment Process (3 Steps above).

What is the next step after I enroll in Customers Care Plan?
Contact our official staffs, you can get a free value $80 original oxygen accessories (filters/ oxygen tube/ oxygen mask etc.)

dedakj oxygen concentrator parameters

👀Compare All DEDAKJ Models

Compare All DEDAKJ Models: to get the most suitable oxygen concentrator machine

All DEDAKJ RESPIREASY Oxygen Concentrators — Home Oxygen Generator; Portable Oxygen Machine; and Medical-Grade O₂ Therapy Units


Mini Portable Oxygen Concentrators

Feature	Cheap Price	Continuous Flow	Upgraded	Smallest	Low Noise	TOP
Model	TB-1	Y5	Y7	RES-4/5/6	REA-6/7	REC-6/7/8/9
Flow rate	3L/Min	5L/Min	7L/Min	4/5/6 L/Min	6/7 L/Min	6/7/8/9 L/Min
Size (cm)	25x15x12	19.8x9.3x21	17.5x8.6x19	15x7.5x16	17x8x19.8	17.8x8x21
Weight (Pound)	4.4	4.6	4.1	2.4	3	4.8
Product Link	>>>>Click	>>>>Click	>>Click	>>Click	>>Click	>>Click
1-9 Liters Home Oxygen Concentrators

Feature	2026 Newest	Low Price	Powerful	Hot Sales			Upgraded	Classic
Model	RE-KL/ K2L	RE-R1L	RE-P2L	RE-S2L	DE-1A/1B/1LW	DE-C1L	DE-Q1W	DE-2A/ 2AW	DE-2SW/ 1SW
Flow rate, L/Min	1-7L ; 2-9/Min	1-8L/Min	2-9L/Min	2-9L/Min	1-7L/Min	1-7L/Min	1-8L/Min	2-9L/Min	2-9L/Min
Function	Oxy Making+Nebulizer	Oxy Making+Nebulizer	Oxy Making+Nebulizer	Oxy Making+Nebulizer	Only Oxygen	Oxy Making+Nebulizer	Oxy Making+Nebulizer	Only Oxygen	Oxy Making+Nebulizer
Size (cm)	23x23x34	24x15x25	37x18x29	37x28x19	34x18x31	20x21x28	36x19x34	40x18x38	35x19x31
Weight (Pound)	11.5	8.8	11.5	11.5	14.3	10.5	11.5	17.6	15.8
Product Link	>>Click	>>Click	>>Click	>>Click	>>Click	>>Click	>>Click	>>Click	>>Click
10-60 Liters Medical Oxygen Concentrators

Feature	Medical Standard	Medical Standard	Medical Standard	Medical Standard
Model	RE-M5L	RE-M10L	RE-M20L	RE-M60L
Flow rate, L/Min	1-5L/Min	1-10L/Min	1-20L/Min	1-60L/Min
Size (cm)	34.8x28x51	36x37x60	81x44x67
Weight (Pound)	37.5	59.5	169.7
Product Link	>>Click	>>Click	>>Click	>>Click