SKU: 84514936828

Heyer Sleep Apnea Meter AS20A Pro

Sale price$5125.94 Regular price$5695.49
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Description

Heyer Sleep Apnea Meter AS20A ProThe Heyer AS20A Pro (also known as the Auto A20) is an auto adjusting CPAP machine used to treat Obstructive Sleep Apnea (OSA). It continuously monitors breathing patterns and automatically adjusts airflow pressure throughout the night, making it one of the most comfortable and quiet therapies available. Core Features Auto Adjusting Pressure: Intelligently identifies your breathing needs and adapts pressure in real time. AS ELEX Pressure Relief:

The Heyer AS20A Pro (also known as the Auto A20) is an auto-adjusting CPAP machine used to treat Obstructive Sleep Apnea (OSA). It continuously monitors breathing patterns and automatically adjusts airflow pressure throughout the night, making it one of the most comfortable and quiet therapies available.

Core Features
  • Auto-Adjusting Pressure: Intelligently identifies your breathing needs and adapts pressure in real-time.
  • AS-ELEX Pressure Relief: Provides 7 grades of pressure relief to make exhaling easier and more natural.
  • Integrated Humidification: Features a water chamber with 5 heat levels to prevent dry mouth and nose.
  • Auto Ramp Time: Detects when you fall asleep and gradually increases pressure, helping you adapt to therapy without feeling overwhelmed.
  • Connectivity: Transfers therapy data directly via Bluetooth, Wi-Fi, or an SD card.
  • Ultra-Quiet Operation: Noise levels are as low as 28 dB.

 

Thecnical Specs:

Product Model

 

20A Pro

Therapy Mode

CPAP, AutoCPAP

Pressure Range (cmH20)

4-20

Auto Ramp Timemin)

Yes
As-Elex Pressure Release
1-7Level
Automatic Humidification
Yes
Idenfication of Central Apnea
Yes
AS-Dry Technology
Yes
Auto On/Off
Yes
Heated Tube
Yes (Optional)
Data Transmission
 Cellular + Bluetooth /WiFi + Bluetooth 
Leaking Compensation
Yes
Manual Titration 
/
Yes
Therapy Data Storage
SD Card
Screen Size
3.5 inches LCD Screen 
Machine Size
267mm × 157mm × 106mm
Weight
1.5kg
Working Noise
25.5dB
Power Adapter
Input:100-240V AC, Output:24V DC
weight
Main unit: 0.82kg with humidifier: 1.26kg
Adaptor
AC input: 100 -240V, DC Output: 24V
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: 84514936828

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Private
Phoenix, US
★★★★★ 1
Not something to read for pleasure...
Format: Paperback
Blech. I hated it. Buy only if your professor makes you.
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Reviewed in the United States on December 31, 2025
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Amazon Customer
West Palm Beach, US
★★★★★ 2
The book is so not fun to read
Format: Paperback
Nothing with the seller, it's just the book that I don't like. Black and white, full of info and boring
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Reviewed in the United States on August 5, 2023
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Type A in Virginia
Fort Morgan, US
★★★★★ 5
Easy quick protein boost
Size: 360 Count (Pack of 1)
Easy, quick protein boost, little taste, quality product -- very happy with it. This is my third bottle.
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Reviewed in the United States on March 24, 2026
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zack
Whiting, US
★★★★★ 5
It HAS helped with my energy levels!
Size: 360 Count (Pack of 1)
Might be better to take the powder, because I end up taking 12 of these tablets at a time to get the 6 grams of spirulina I want to take. But because they are simpler and cleaner than a powder would be, I may just stick with this! I have noticed my body has more stable energy on the days I remember to take this. And I can take them on an empty stomach which tells me they don’t have toxins or bad preservatives.
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Reviewed in the United States on July 22, 2025
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Lion
Alexandria, US
★★★★★ 5
Quality Spirulina, A "Superfood"
Size: 360 Count (Pack of 1)
Google Spirulina if you don't know what it is. In short, it's from algae (in this case) that has been shown to provide many health benefits, and studies are underway to validate other claims. One important value: it is one of the few foods that cover essential amino acids. As I said, do your own research. I'm relating what I read and my personal experience. This is, so far, the best spirulina I've found. It is a raw product, vegan, certified organic (by USDA), and proven "bio-active," meaning for me, I absorb it well. It does have an "algae taste" and mild odor (of same). This is difficult to describe, but call it a mild "hay" tone to the flavor. Since it's a pill, it shouldn't bother you. I did notice it the first few weeks, though. IMPORTANT: Not recommended for anyone suffering from phenylketonuria. Ask a medical professional first.
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Reviewed in the United States on June 7, 2023

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