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smell in basement due to drain water back flood

Why do I design the nose mask?

I felt there was a smell at airport in Beijing in spring, 2015, The face mask can not brock the  smell. I changed to wear the activated carbon face mask,...

Why do I design the nose mask?

I felt there was a smell at airport in Beijing in spring, 2015, The face mask can not brock the  smell. I changed to wear the activated carbon face mask,...

remove wildfire smoke nose mask

Smome researh result for the wildfire damages

Research has linked wildfire smoke to the worsening of several conditions. Fierce wildfires in California in 2020 caused people to inhale smoke that raised their risk of heart attacks by...

26 comments

Smome researh result for the wildfire damages

Research has linked wildfire smoke to the worsening of several conditions. Fierce wildfires in California in 2020 caused people to inhale smoke that raised their risk of heart attacks by...

26 comments
Portable HEPA purifier with nasal mask for lung cancer

Wearing a Portable HEPA air purifier with nasal...

Mr. Jing had the first stage of lung cancer in 2021. He told me that wearing a portable HEPA air purifier with nasal mask is more comfortable than not wearing...

15 comments

Wearing a Portable HEPA air purifier with nasal...

Mr. Jing had the first stage of lung cancer in 2021. He told me that wearing a portable HEPA air purifier with nasal mask is more comfortable than not wearing...

15 comments
Wire Fire make air pollution in Wester of North America

Wire Fire make air pollution in Wester of North...

The Air Quality Index (AQI) is 170 in Miles City, US today.  The AQI index is always higher in Seattle and San Francisco due to wire fire smoke. The wire...

13 comments

Wire Fire make air pollution in Wester of North...

The Air Quality Index (AQI) is 170 in Miles City, US today.  The AQI index is always higher in Seattle and San Francisco due to wire fire smoke. The wire...

13 comments
I can eating, drinking and smile! Nose Mask -for wild fire smoke, allergies, air pollution, virus and travel

I can eating, drinking and smile! Nose Mask -fo...

Why Buy a Face Mask That Only Does 80% the Job? This includes N95/N99-rated masks and particle respirators, which only filter out particulate matter, offering you no protection from the...

39 comments

I can eating, drinking and smile! Nose Mask -fo...

Why Buy a Face Mask That Only Does 80% the Job? This includes N95/N99-rated masks and particle respirators, which only filter out particulate matter, offering you no protection from the...

39 comments

Nose Mask PM0.3 first sample is on the way to test

The first sample o named Rocky Air Nose mask is on the way to test. Here is the photo of nose mask after 2 years' design.  It is no leak,...

15 comments

Nose Mask PM0.3 first sample is on the way to test

The first sample o named Rocky Air Nose mask is on the way to test. Here is the photo of nose mask after 2 years' design.  It is no leak,...

15 comments