FAQs-DEDAKJ Oxygen Concentrators

*Customers Care Plan

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

Click here to check more info

*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

https://dedakjoxygenconcentrators.com/products/8-liter-small-portable-oxygen-concentrator-mobile-travel-95-concentration-o2-generator-oxygen-therapy-machine-with-battery-continue-oxygen-supply

*Which (Continuous Flow + Mini Size+ Rechargeable+Working with BIPAP CPAP machinei) is my Best Choice?

New arrival model, the RespirEasy-Y5, continuous flow up to 5liters, portable, with lithium battery

https://dedakjoxygenconcentrators.com/products/dedakj-powerful-5-liters-min-continuous-flow-oxygen-concentrator-mini-portable-oxygen-generator-machine-powered-rechargeable-battery-for-home-care-outdoor-travel

*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:

https://dedakjoxygenconcentrators.com/products/2025-buy-9-liters-continuous-flow-oxygen-concecntrator-93-concentration-o2-making-machine-for-personal-breathing-care-1-year-quality-warranty

*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.

Checkout Options Guidance: https://dedakjoxygenconcentrators.com/blogs/news/checkout-options-guidance

*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

Home Oxygen Model: DE-1A/1B/1LW/2A/2AW/Q1W/1S/2SW DEDAKJ Oxygen Concentrator User Manual and Instruction.
10Liter Medical Oxygen Model： DE-T10
(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