FAQs-DEDAKJ Oxygen Concentrators
*Customer Care Program:
📢📢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.
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.
*What are Different Types of Oxygen Concentrators?
Click the links below
>>> Medical Oxygen Concentrators (5L/10/20 Liter, power,93% oxygen purity concentration, continuous flow rate )
>>> Portable Home Oxygen Concentrators (1-9Liter, ideal oxygen therapy at home .)
>>> Mini Hanheld Oxygen Concentrator (3L/ 5L/ 7L/ 9 liter mini oxygen generator machines with lithium battery and backpack for outdoor traveling)
*Which Mini Portable Oxygen Generator Model is my Best Choice?
The REA-7 liter mini oxygen concentrator, 2025 newest version, good quality ultra low working noise AT UNBEATABLE PRICE.
》》》Click here to check more info
*Which (Continuous Flow + Mini Size+ Rechargeable +Working with BIPAP CPAP machine) is my Best Choice?
New arrival model, the RespirEasy-Y5, continuous flow up to 5liters, portable, with lithium battery
*Which Home Continuous Flow Oxygen Generator Model is my Best Choice?
For people in USA, the RE-P2L and RE-M10L (Medical standard) model. (Stock in USA local warehouse)
For people in Mexico, the RE-S2L model (Stock in MX local warehouse)
For people in EU，the RE-R1L and RE-P2L model. (Stock in EU local warehouse)
*Which is the Most Hot Sale Oxygen Cocnecntrator Model?
The RE-P2L model, please check more detail from the link below:
*What is DEDAKJ Quality Warranty Policy?
The 1 year quality warranty Terms only apply to customers who purchase the machine directly from our store.
We encourage the customers who need the oxygen cocnentrators to place the order in our store DIRECTLY (https://dedakjoxygenconcentrators.com/).
The good quality and the total new condition oxygen machines from our store can be guaranteed.
Please click here to check more info about warranty Policy.
*How Long Does It Take to Receive My Order?
In general, orders typically process within 1-2 days and transit time is about 2-3 business days. Total Delivery Time = Processing Time + Transiting Time
*How Will My Order be Shipped?
We will shipping the product to you by UPS, FedEx or DHL. It will delivery to you soon.
*How Can I Track My Order?
We've actually made this super simple! You can e-mail us at dedakj@yahoo.com and we will provide you with the status of your order.
*How Do I Return Something?
Please contact us by email to let us know your request first and refer to our Refund Policy. Our email is: dedakj@yahoo.com
Besides DEDAKJ Store cannot accept returned products that have been man-made damage.
*What If the Products I Received is Damaged or Missing Items?
Please refer to our returns policy. Besides, We cannot accept returned products that have man-made damage.
You must report damage or missing items within 3 business days of receipt by contacting us at dedakj@yahoo.com
You also must keep the original box & packing material in the event we open a claim with the carrier. In some cases, we may need a customer's help to confirm why this is happening. We appreciate your cooperation and patience through this process.
*What Should I Do If I Do Not Receive My Items in Time?
In rare cases, you have not received the products for more than 30 days. Please contact dedakj@yahoo.com and we will deal with it immediately.
*What Forms of Payment Do You Accept?
Paypal Payment and the Credit Card Payment are acceptable.
Please follow the link below, then you can connect your credit card, debit card or bank account to PayPal for purchasing products.
*Can I Use my Medicare?
Unfortunately, we do not work with insurance companies/providers.
There is an option to pay out of pocket and have your insurer reimburse you. However, you need to contact them directly and make sure this is an option for you.
*Does the Machine Have Warranty?
All of our products are 1 year warranty, except our Refurbished/Used oxygen machines. The used machines do not apply to the one-year warranty and one-month refund policy. Please feel free to contact us if necessary.
*How to Modify the Order Information after Ordering?
If you need to replace / add / reduce order products, or modify the delivery address, contact information, etc., please contact us by email before it is shipped.
*Where Can i Find More Information About a Product i Want?
Each product page has a detailed description and any specifications applicable about the product. If you don’t find the details you’re looking for there, give customer service a shout for more info.
*User Manual of DEDAKJ Oxygen Concentrators
https://dedakjoxygenconcentrators.com/pages/user-manual-oxygen-concentrator-of-dedakj-de-1a-1b-1s-1lw-2a-2aw-2sw-q1w-c1lw
(click above and check )
*Can I Pay with My Credit Card, As i Do Not Have the Paypal Account?
For checkout , we offer 2 options (Credit Card Payment and Paypal Payment).
Please kindly check the guidance from the link below:(Click below)
Checkout Options Guidance
Where Can I Buy Suitable Oxygen Concentrators?DEDAKJ Official Website
click the links below
>>> Buy Home Continuous Flow DEDAKJ Oxygen Concentrator
>>> Buy Mini Portable Oxygen Concentrator with Rechargeable Battery
>>> Buy 10-20 LPM Powerful Medical DEDAKJ Oxygen Concentrators
Contact DEDAKJ Office
Let customers speak for us
Everything feels well-engineered and reliable. Worth the money.
The handle makes a big difference. I move it around the house all the time.
This oxygen concentrator exceeded my expectations in every way.
The oxygen flow is steady, the unit is quiet, and setup was simple. Very happy.
Less than 2kg, fits in my backpack easily. Very portable.
My mother uses it daily. Simple controls and dependable oxygen.
Portable, lightweight, long battery life. Perfect for plane trips and road trips.
This concentrator gave me back a sense of independence. I can now rest and move around my house with ease.
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.
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.
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.
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.
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.
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.
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.
Buy DEDAKJ Portable Oxygen Concentrators
-
2026 Newest 2-9L/min Oxygen Concentrator Machine DEDAKJ 93% Purity O2 Portable Home Use Oxygen Concentrator with Nebulization 110V/220V
Regular price From $366.99 USDRegular priceUnit price per$559.00 USDSale price From $366.99 USDSale -
👍👍2026 Small Lightweight Oxygen Concentrator 7 Liter 93% Purity Mini Portable O2 Generator Oxygen Machine with Lithium Battery
Regular price From $788.98 USDRegular priceUnit price per$3,600.00 USDSale price From $788.98 USDSale -
1.1kg Lightweight Portable Travel Oxygen Concentrator O2 Generator 1-6 Liter with Backpack Battery Powered Home Mini O2 Oxygene Concentrator Machine Price
Regular price From $598.98 USDRegular priceUnit price per$2,100.00 USDSale price From $598.98 USDSale -
Buy Rechargeable Small Portable Oxygen Concentrator 7 Liters 93% O2 Purity Oxygen Generator Machine Mobile for Travel Use with Battery
Regular price From $788.98 USDRegular priceUnit price per$3,600.00 USDSale price From $788.98 USDSale -
Buy 1-7 Liters Handheld Portable Oxygen Concentrator DEDAKJ 93% High Purity Small Oxygen Concentrator Machine with Battery for Car Traveling
Regular price From $788.98 USDRegular priceUnit price per$3,600.00 USDSale price From $788.98 USDSale -
2026 Portable Oxygen Concentrator 5 Liter Continuous Flow Rate Mini Size Rechargeable POC Oxygenerator O2 Making Machine with 6700mA Battery
Regular price From $786.98 USDRegular priceUnit price per$3,200.00 USDSale price From $786.98 USDSale -
Buy DEDAKJ Small Portable Oxygen Concentrator 7 L/min 93% High Pure Oxygen Rechargeable Battery Powered Compact Oxygen Making Machine for Home & Outdoor Use
Regular price From $893.98 USDRegular priceUnit price per$2,285.00 USDSale price From $893.98 USDSale -
Mini Portable Oxygen Concentrator 3L Lightweight Compact Mobile Oxygen Concentrator with Rechargeable Battery ( Used in Car, Freight, Outdoors)
Regular price From $376.79 USDRegular priceUnit price per$873.80 USDSale price From $376.79 USDSale -
DEDAKJ Portable 2L-9Liters Home Continuous Oxygen Concentrator High Concentration Adjustable Flow Rate Oxygen Concentrator Machine
Regular price From $366.99 USDRegular priceUnit price per$559.00 USDSale price From $366.99 USDSale -
DEDAKJ 1-7 Liter Home Oxygen Concentrator Continuous Flow Oxygen Generator Portable Oxygen Making Machine 110V/220V DE-1LW
Regular price $369.95 USDRegular priceUnit price per$449.00 USDSale price $369.95 USDSale -
2 Pounds Portable Oxygen Concentrator DEDAKJ Mobile 4-6 Liter Battery O2 Oxygen Maker Machine Small Oxygen Concentrator For Outdoor Travel
Regular price From $598.98 USDRegular priceUnit price per$2,100.00 USDSale price From $598.98 USDSale -
TOP 7-9 Liters Light Weight Powerful Portable Oxygen Concentrator Machine 95% Purity DEDAKJ Small Size O2 Concentrato Rechargeable for Vehicle Air Travel
Regular price From $2,358.99 USDRegular priceUnit price per$6,600.00 USDSale price From $2,358.99 USDSale
