Adam Wong
@adamwong.bsky.social
Pinned
Adam Wong
@adamwong.bsky.social
· Nov 17
Hi everyone,
I am a Covid cautious Engineer. I own a small business of design and manufacture highly effective, rigorously tested, always evolving and competitively priced air purifying & measurement tools. (1/3)
I am a Covid cautious Engineer. I own a small business of design and manufacture highly effective, rigorously tested, always evolving and competitively priced air purifying & measurement tools. (1/3)
Hey everyone, I'm excited to share that AirFanta Wear is now live on air-fanta.com/products/air...
You'll find a thorough product breakdown and a detailed video I made explaining a lot of things about it. (1/3)
You'll find a thorough product breakdown and a detailed video I made explaining a lot of things about it. (1/3)
AirFanta Personal Wearable Laminar Air Purifier
The AirFanta Wear is a personal wearable air purifier. Worn around the neck, it delivers a stream of HEPA-filtered air directly to your breathing zone, creating a personal bubble of clean air. Third-p...
air-fanta.com
November 3, 2025 at 4:51 AM
Hey everyone, I'm excited to share that AirFanta Wear is now live on air-fanta.com/products/air...
You'll find a thorough product breakdown and a detailed video I made explaining a lot of things about it. (1/3)
You'll find a thorough product breakdown and a detailed video I made explaining a lot of things about it. (1/3)
⏰Save 10% on ALL Airfanta products for 4 days only (July 8–11)! Shop:
air-fanta.com
air-fanta.com
AirFanta air purifiers
Official website of AirFanta air purifiers.
air-fanta.com
July 9, 2025 at 3:20 AM
⏰Save 10% on ALL Airfanta products for 4 days only (July 8–11)! Shop:
air-fanta.com
air-fanta.com
In here, the latest wave of COVID-19 has passed its peak at end of May. This wave is mainly caused by NB.1.8.1. This is the sixth wave as from the moment the ZERO Covid Policy is cancelled end of 2022.
Source: CDC
t.co/uAebeaKT7T
Source: CDC
t.co/uAebeaKT7T
June 19, 2025 at 2:47 PM
In here, the latest wave of COVID-19 has passed its peak at end of May. This wave is mainly caused by NB.1.8.1. This is the sixth wave as from the moment the ZERO Covid Policy is cancelled end of 2022.
Source: CDC
t.co/uAebeaKT7T
Source: CDC
t.co/uAebeaKT7T
Why Proper Positioning of 4Lite Matters
I created a video demonstrating the importance of aligning the middle of 4Lite directly toward your face for optimal effectiveness.
Here’s what the test results showed when the background PM2.5 level was 14 μg/m3:
🧵(1/2)
I created a video demonstrating the importance of aligning the middle of 4Lite directly toward your face for optimal effectiveness.
Here’s what the test results showed when the background PM2.5 level was 14 μg/m3:
🧵(1/2)
May 22, 2025 at 7:59 AM
Why Proper Positioning of 4Lite Matters
I created a video demonstrating the importance of aligning the middle of 4Lite directly toward your face for optimal effectiveness.
Here’s what the test results showed when the background PM2.5 level was 14 μg/m3:
🧵(1/2)
I created a video demonstrating the importance of aligning the middle of 4Lite directly toward your face for optimal effectiveness.
Here’s what the test results showed when the background PM2.5 level was 14 μg/m3:
🧵(1/2)
How is COVID-19 testing conducted in China?
In China, affordable and fast PCR testing is available in major cities. Several companies provide this service, and the process is simple—just place an order through a mobile app.
🧵
In China, affordable and fast PCR testing is available in major cities. Several companies provide this service, and the process is simple—just place an order through a mobile app.
🧵
May 9, 2025 at 2:31 PM
How is COVID-19 testing conducted in China?
In China, affordable and fast PCR testing is available in major cities. Several companies provide this service, and the process is simple—just place an order through a mobile app.
🧵
In China, affordable and fast PCR testing is available in major cities. Several companies provide this service, and the process is simple—just place an order through a mobile app.
🧵
I will write some articles of indoor air quality and air purifiers in the coming days. and here is the first one. You are welcome to discuss.
air-fanta.com/blogs/all/un...
air-fanta.com/blogs/all/un...
Understanding Harmful Substances in the Indoor Air
Humans have long recognized the importance of clean drinking water. However, the significance of clean air has not yet been widely acknowledged by the general public. In reality, the air can contain a...
air-fanta.com
April 3, 2025 at 2:23 AM
I will write some articles of indoor air quality and air purifiers in the coming days. and here is the first one. You are welcome to discuss.
air-fanta.com/blogs/all/un...
air-fanta.com/blogs/all/un...
Today, a doctor posted a video on Chinese TikTok claiming that masks can't prevent COVID or the flu. He's well-known and respected for his expertise in tumor assessment from CT images of pulmonary nodules and is considered an authority in that field.
March 11, 2025 at 4:56 PM
Today, a doctor posted a video on Chinese TikTok claiming that masks can't prevent COVID or the flu. He's well-known and respected for his expertise in tumor assessment from CT images of pulmonary nodules and is considered an authority in that field.
There’s a lot of debate over which filter level is best—H13 or MERV13. Commercial brands often claim H13 is superior, while CRbox suggests MERV13 is the better option. (1/7)
March 10, 2025 at 5:18 PM
There’s a lot of debate over which filter level is best—H13 or MERV13. Commercial brands often claim H13 is superior, while CRbox suggests MERV13 is the better option. (1/7)
Update:
1️⃣3Pro is restocked in UK.
2️⃣3Pro equipped with HEPA + Carbon filters are available in US.
3️⃣mini and replacement filters are available in Australia.
All of them can be ordered on Amazon or our website air-fanta.com.
1️⃣3Pro is restocked in UK.
2️⃣3Pro equipped with HEPA + Carbon filters are available in US.
3️⃣mini and replacement filters are available in Australia.
All of them can be ordered on Amazon or our website air-fanta.com.
March 10, 2025 at 4:21 PM
Update:
1️⃣3Pro is restocked in UK.
2️⃣3Pro equipped with HEPA + Carbon filters are available in US.
3️⃣mini and replacement filters are available in Australia.
All of them can be ordered on Amazon or our website air-fanta.com.
1️⃣3Pro is restocked in UK.
2️⃣3Pro equipped with HEPA + Carbon filters are available in US.
3️⃣mini and replacement filters are available in Australia.
All of them can be ordered on Amazon or our website air-fanta.com.
I created a 3D printed prototype of the aesthetic edition of the 3Pro version 1.2. It retains the same size, is easier to install, and includes a PM2.5 sensor, a screen, and an app for phone control. Please disregard the color, as the final product will feature a different color.
March 10, 2025 at 8:16 AM
I created a 3D printed prototype of the aesthetic edition of the 3Pro version 1.2. It retains the same size, is easier to install, and includes a PM2.5 sensor, a screen, and an app for phone control. Please disregard the color, as the final product will feature a different color.
There is 10% discount for the AirFanta 4Lite in the EU on Amazon DE and our website air-fanta.com/products/air....
It is designed to blow clean air to your face for breathing.
It is designed to blow clean air to your face for breathing.
March 6, 2025 at 1:35 PM
There is 10% discount for the AirFanta 4Lite in the EU on Amazon DE and our website air-fanta.com/products/air....
It is designed to blow clean air to your face for breathing.
It is designed to blow clean air to your face for breathing.
The 10% tariff has an impact of about 3-5% on our sales price. However, I understand that when we sell our air purifiers, there's an implicit expectation that replacement filters will be offered at the same price over the long term. (1/2)
February 25, 2025 at 3:31 AM
The 10% tariff has an impact of about 3-5% on our sales price. However, I understand that when we sell our air purifiers, there's an implicit expectation that replacement filters will be offered at the same price over the long term. (1/2)
Some customers prefer the 3Pro with HEPA+Carbon filters. We've already shipped a few to the US, and it can be ordered through our website at air-fanta.com.
February 14, 2025 at 2:20 PM
Some customers prefer the 3Pro with HEPA+Carbon filters. We've already shipped a few to the US, and it can be ordered through our website at air-fanta.com.
AirFanta's UK shop is now open. www.amazon.co.uk/stores/page/...
AirFanta
AirFanta air purifier
www.amazon.co.uk
February 9, 2025 at 5:04 AM
AirFanta's UK shop is now open. www.amazon.co.uk/stores/page/...
Now sellers from China are charged 30% tariff + $3 for each parcel. Prices for lots of stuff in US will go up soon. AirFanta currently has some stock in the US, and we will maintain the same pricing until the inventory is depleted. We'll assess the additional costs once the tariff impact is clear.
February 5, 2025 at 3:02 PM
Now sellers from China are charged 30% tariff + $3 for each parcel. Prices for lots of stuff in US will go up soon. AirFanta currently has some stock in the US, and we will maintain the same pricing until the inventory is depleted. We'll assess the additional costs once the tariff impact is clear.
AirFanta 3Pro is temporary out of stock on Amazon US for about two weeks. But we have some stock on our website air-fanta.com.
AirFanta air purifiers
Official website of AirFanta air purifiers.
air-fanta.com
January 24, 2025 at 2:48 AM
AirFanta 3Pro is temporary out of stock on Amazon US for about two weeks. But we have some stock on our website air-fanta.com.
I am working on designing the better AirFanta 3Pro. It has been revised a lot since we found lots to improve on the first prototype.
It has aesthetic looking, a PM2.5 sensor, a TFT screen and APP via Bluetooth connection. It is also detachable like the 3Pro and even easier to install. (1/4)
It has aesthetic looking, a PM2.5 sensor, a TFT screen and APP via Bluetooth connection. It is also detachable like the 3Pro and even easier to install. (1/4)
January 21, 2025 at 7:43 AM
I am working on designing the better AirFanta 3Pro. It has been revised a lot since we found lots to improve on the first prototype.
It has aesthetic looking, a PM2.5 sensor, a TFT screen and APP via Bluetooth connection. It is also detachable like the 3Pro and even easier to install. (1/4)
It has aesthetic looking, a PM2.5 sensor, a TFT screen and APP via Bluetooth connection. It is also detachable like the 3Pro and even easier to install. (1/4)
The west Covid Cautious Community has joined into RedNote, and the local Covid Cautious Community are talking with them directly.
January 18, 2025 at 8:32 AM
The west Covid Cautious Community has joined into RedNote, and the local Covid Cautious Community are talking with them directly.
For people who need very powerful air purifier to deal with the smoke, we made 5% discount on AirFanta 3Pro now. And next week when the carbon filters arrive, we will put them on sales too. air-fanta.com/products/air...
January 9, 2025 at 8:36 AM
For people who need very powerful air purifier to deal with the smoke, we made 5% discount on AirFanta 3Pro now. And next week when the carbon filters arrive, we will put them on sales too. air-fanta.com/products/air...
An update of the stock situation.
🔹US: everything is restocked on Amazon US and air-fanta.com.
🔹Canada: 3Pro and mini are restocked on Amazon CA and air-fanta.com
🔹Australia: 4Lite, mini and the replacement filters are restocked on Amazon AU and air-fanta.com
🔹US: everything is restocked on Amazon US and air-fanta.com.
🔹Canada: 3Pro and mini are restocked on Amazon CA and air-fanta.com
🔹Australia: 4Lite, mini and the replacement filters are restocked on Amazon AU and air-fanta.com
January 8, 2025 at 8:40 AM
An update of the stock situation.
🔹US: everything is restocked on Amazon US and air-fanta.com.
🔹Canada: 3Pro and mini are restocked on Amazon CA and air-fanta.com
🔹Australia: 4Lite, mini and the replacement filters are restocked on Amazon AU and air-fanta.com
🔹US: everything is restocked on Amazon US and air-fanta.com.
🔹Canada: 3Pro and mini are restocked on Amazon CA and air-fanta.com
🔹Australia: 4Lite, mini and the replacement filters are restocked on Amazon AU and air-fanta.com
Since the media no longer covers COVID, 99.9% of people assume it is no longer a concern. As a result, the nasal spray SA55 is unlikely to be launched, as there is no longer a significant market for it.
A nasal spray prevented 80% of Covid infections; ~300,000 people in China have received it.
[called SA55, a broad spectrum monoclonal antibody, developed by Yunlong Cao, Peking University] www.nature.com/articles/s41...
www.science.org/content/arti...
[called SA55, a broad spectrum monoclonal antibody, developed by Yunlong Cao, Peking University] www.nature.com/articles/s41...
www.science.org/content/arti...
COVID 5 years later: Learning from a pandemic many are forgetting
Five years after SARS-CoV-2 surfaced, scientists reflect and look ahead to the next threat
www.science.org
January 3, 2025 at 8:57 AM
Since the media no longer covers COVID, 99.9% of people assume it is no longer a concern. As a result, the nasal spray SA55 is unlikely to be launched, as there is no longer a significant market for it.
Covid-cautious community understands that CO2 levels serve as a proxy for Covid risks, as it indicates the amount of secondhand air in a room. Lower CO2 level typically means better ventilation and reduced risk.
December 30, 2024 at 9:12 AM
Covid-cautious community understands that CO2 levels serve as a proxy for Covid risks, as it indicates the amount of secondhand air in a room. Lower CO2 level typically means better ventilation and reduced risk.
I want to run ads to promote it, but seems bluesky doesn't get ads. air-fanta.com
I made a new video to show not only how powerful the AirFanta 3Pro is, but also how compact and portable it is.
December 28, 2024 at 7:06 AM
I want to run ads to promote it, but seems bluesky doesn't get ads. air-fanta.com
It would be astonishing to create a video showing me breathing normally with my head inside a transparent glass sphere filled with tear gas, with the help of the new AirFanta wearable air purifier.
December 21, 2024 at 3:37 PM
It would be astonishing to create a video showing me breathing normally with my head inside a transparent glass sphere filled with tear gas, with the help of the new AirFanta wearable air purifier.
The prototype of AirFanta wearable air purifier can pass the saccharin fit test. I don't taste the sweet with it covering my nose and mouth but the people who took the photo can taste a strong sweet.
December 20, 2024 at 7:58 AM
The prototype of AirFanta wearable air purifier can pass the saccharin fit test. I don't taste the sweet with it covering my nose and mouth but the people who took the photo can taste a strong sweet.