SKU: 3570553432

Home and Oxygen Concentrators ZH-A51/NT-03

Sale price$359.10 Regular price$399.00
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Description

Home and Oxygen Concentrators ZH-A51/NT-03US STOCK & SAVE $160 for Home & Portable Oxygen Concentrators ZH A51 & Nt 03 Describtions for Home Oxygen Concentrator ZH A51 Specifications: Oxygen concentrating93%3% Oxygen flow0. 6L 5L Min Input power400W VoltageAC230V50Hz Outlet pressure40kPa Working noise54dB(A) Alarm noise level85dB(A) Size470mm(L)*280mm(W)*550mm(H) Net weight: 24kg Electrical requirementsB typeClassequipment Working environment requirementNo corrosive gas and strong magnetic

US STOCK & SAVE $160  for Home & Portable Oxygen Concentrators ZH-A51 & Nt-03


Describtions for Home Oxygen Concentrator ZH-A51

Specifications:

  • Oxygen concentrating:93%±3%
  • Oxygen flow:0.6L-5L/Min
  • Input power:≤400W
  • Voltage:AC230V,50Hz
  • Outlet pressure:40kPa
  • Working noise:≤54dB(A)
  • Alarm noise level:≤85dB(A)
  • Size:470mm(L)*280mm(W)*550mm(H)
  • Net weight:24kg
  • Electrical requirements:B type,ClassⅡequipment
  • Working environment requirement:No corrosive gas and strong magnetic field around
  • Environmental condition:5℃~40℃
  • Relative humidity:≤80%
  • Atmospheric pressure:86kpa~106kpa
  • ATTENTION:Beyond above mentioned condition may affect product‘s working.If temperature is below 5℃, please do not use until putting it in room temperatureover 4H

Features:

Oxygen concentrator is used for improving oxygen supply system in our body,attaining complement of oxygen and health. It could be benefit for middle-aged and elderly people, who more prone to illness, pregnant woman,students and those have Physiological hypoxia. Also benefifit for releasing from hard physical labour or brain work, good for recovery.

 

  • Full plastic cabinet .Safe and reliable.
  • With TIME memory function.
  • With accumulated time function to show total working time from LCD.
  • With power off timing function. Ease to use.
  • With safe valve for over pressure in our humidifification bottle's upper
  • With alarm function for power lost.
  • With alarm function for Higher/Lower voltage system circulation.
  • With alarm function for lower oxygen purity.
  • Heat protector is in compressor. To ensure compressor and oxygen
  • concentrator are safe.

ZH-A51 Components:

Nasal oxygen cannula

Operation manual

Second level inner filtering

First level filtering

Second level outer filtering

Nebulizer Cup Assy (Optional)

Describtions for Portable Oxygen Concentrator  NT-03

Specifications:
Oxygen Flow: 3L/min stable flow (not adjustable)
Oxygen Concentration: stable 32.5±2.5% oxygen concentration
Oxygen production method: pressure swing adsorption separation method (PSA method)
Noise: ≤45 Db(A)
Item Weight: 3.1 Pounds (1.4KG)
Package Size: 8.07*3.75*5.11 inches (20.5*9.5*13cm)
Work rate: 30W
Input voltage: DC12V~16. 8V
Working time: 40 minutes, 60 minutes, 80 minutes, 180 minutes (adjustable)

Battery of NT-03:
Come with the NT-03 portable oxygen concentrator
Battery Lasting: last for 1-3 hours
Standard battery pack capacity: 2500mAH 14.8V,the highest voltage is 16.8V

NT-03 Components:

1X Portable oxygen concentrator
1X AC Adaptor
1X 2500 mAh Battery
1X Car converter/ car adapter
1X Instruction manual (Check the online manual here)
1X Diagonal shoulder bag
1X Oxygen tube & nasal cannula

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 3570553432

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4.7 ★★★★★
Based on 18 reviews
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Product Reviews
J
Verified Purchase
James
Grantham, US
★★★★★ 5
Almost indestructible would recommend
I have owned the Monster K9 Indestructible Ball for one and a half years, and it has proven to be the most durable ball I have used for my German Shepherd. Out of all the balls we have tried, this one has lasted the longest under frequent, heavy chewing. Although my dog has finally managed to chew through it, I remain very satisfied with the product’s overall longevity and performance. I would definitely recommend purchasing this ball to other dog owners, especially those with strong chewers. It has provided exceptional play value over an extended period of time. One area for improvement is the warranty process. While the product advertising mentions a free replacement, there is no clear guidance on how to submit a claim, and I found it difficult to locate that information. Providing straightforward instructions for warranty claims would enhance the overall customer experience. Overall, this is a high-quality, long-lasting ball that I would recommend, particularly for large or powerful dogs.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 3, 2026
T
Verified Purchase
T-gal
Draper, US
★★★★★ 5
So far, so good!
Finally! A toy my 55 pound, 18 month old puppy hasn’t destroyed in minutes, and one she actually LOVES playing with. It has a really cool bounce and she loves chasing it and it’s easy for her to grab and run back to me with. So glad it wasn’t another waste of money. My only suggestions are to make this in a fun color other than black, and to make other just as strong toys besides a donut (she already has 2 other donuts from different companies which surprisingly have weathered her jaws) and add a squeaker to one of these ultra strong toys. More than chasing the ball, she loves squeaking!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 8, 2026
M
Verified Purchase
Melissa j
Massapequa, US
★★★★★ 5
10/10 Great game changer for aggressive chewers
After a scary experience where our Doberman ingested part of a toy and needed emergency surgery, we had to get rid of all plush toys and small balls in our house. Replacing everything felt overwhelming. This ball has been fantastic. It’s truly built for aggressive chewers and holds up incredibly well. It’s perfect for fetch, strong enough for tug-of-war, and the bounce is excellent, which keeps our dog fully engaged during self-play when he’s entertaining himself. That unpredictable bounce makes it exciting without being unsafe. Most importantly, it gives us peace of mind. No shredding, no chunks coming off, no felt cover and constant worry about ingestion. Since having to replace all of his previous toys and balls, this one has stood out as the best by far. If you have a large, powerful dog—especially a Doberman—or a dog who destroys toys quickly, this is a must-have. Durable, safe, and genuinely fun. 10/10, highly recommend.
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Reviewed in the United States on January 21, 2026
C
Verified Purchase
Crystal Knapp
Lexington, US
★★★★★ 5
Finally, a sturdy oversized ball my boy can't destroy! And can pick up easily
This is just wonderful! My dog has destroyed all other balls! I think this is finally one he cannot destroy. And I love the holes so he can pick it up and throw it himself. LOL. And it BOUNCES, bringing him endless joy and skill in catching it. Cause you don't know which way it will bounce off the ground. Oversize was just right for him. Glad to have found this great sturdy ball.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 29, 2026
K
Verified Purchase
Kristi V.
Los Angeles, US
★★★★★ 4
Almost perfect...upraised logo should be left off
This toy is great for relentless chewers with strong jaws! It would be almost perfect if it didn't have a "K9" logo in raised rubber on it. That is the place that my aggressive chewer shepherd/bulldog mix focuses on and is able to get small chunks off. Without that logo, he would chew the ball more evenly, instead of fixating on that one spot. He loves this ball and has chewed on it for about an hour off & on each of the 11 days he has had it. Although it is very durable so far, the flaw is the upraised logo.
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Reviewed in the United States on January 22, 2026

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