The listed product was produced in China and distributed worldwide; it subjects to the laws of China and meets GB 18401-2010 National General Safety Technical Code. The Testing Report Certificate is displayed below. Not for Medical use. 

** 1 order mask package comes with 1pc US Flag Sports Mask with 2 valves 1pcs 5-layer PM2.5 Filter **

** 1 order 10pcs filter package comes with 10pcs 5-layer PM2.5 filters 4 Valves. Not Included the Mask **
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Awesome Ship Via USPS| Men Women US Flag Sports Mask with 5-Layer PM2.5 Filter & Valves| American Flag Cycling Mask has its unique features and functions below:

Functions of the American Flag Cycling Mask & It's PM2.5 filter:

Protect against PM2.5, anti-fog and haze, anti-virus, anti-bacterial, anti-odor, industrial anti-pollution, anti-vehicle exhaust, dust, secondhand smoke, pollen allergy, Cold Keep warm, etc.
The US Flag sports mask is suitable for cycling, running, biking, hiking, skiing, woodworking and other outdoor activities. 

Features of the US Flag Sports Mask:

1. Made of elastic nylon and spandex. This US flag cycling face mask is lightweight, quick dry, breathable and comfortable, washable and reusable.
   
2. Replaceable 5-Layer PM2.5 activated carbon filter: help you breathe in more clean air. 5-Layer PM2.5 activated carbon filter can filter out 95% of PM2.5 particles, virus, bacterial, pollution, dust, pollen etc. With the replaceable design, you only need to change the Pm2.5 filter instead of the entire mask.
   
3. Somatological design provides the most comfort for users. Comfortable fabric, adjustable nose bridge; 2 one way valves to make it easier to exhale heat, water vapor and carbon dioxide that makes ideal for long-term wear; hanging ear design with hook and loop fasteners fits better on the face.
   
4. Two valves design act as blockers to the air, which help to achieve the effects of high altitude & low air concentration condition. This will increase the efficiency of your lung capacity training to some extent.
   
5. Excellent in windproof and dustproof performance, typically great for buyers who like cycling, running, or doing other outdoor activities.
   
6. Perfect for Men and Women.

Features of the PM2.5 Activated Carbon Filter for Sports Mask:

1. Filter out 95% of PM2.5 particles, virus, bacterial, pollution, dust, pollen etc.
2. Comfortable breathing.
3. It is made of 5 layers below:

• 1st layer: Laminated with medical grade non-woven polypropylene
• 2nd layer: Activated Charcoal Layer
• 3rd layer: Wicking internal Scrim Layer
• 4th layer: Sub-micron particulate filter layer
• 5th layer: Laminated with medical grade non-woven polypropylene

4. Waterproof

What is PM2.5?

1. PM means particulate matter, PM2.5 refers to particulate matter not larger than 2.5 microns in the atmosphere, also known as pulmonary particulate matter.
2. Most of the daily smog weather is caused by PM2.5. Due to its small mass and longtime of carrying toxic substances, it is harmful to people.

What is PM2.5 filter?

PM2.5 filter is the filter that can filter out 95% of PM2.5 particles.

Shipping & Handling Information:

1. Ship Via USPS To USA Buyers Only with tracking #.

** Due to COVID 19, Shipping might be delayed; estimated delivery time: 4 to 12 business days **
** No DHL Shipping Available. Please DO NOT Choose DHL express shipping option when you check out. **

2. Processing & Handling Time:  1 to 3 business Days.

Click the red "Add To Cart" button Now! Limited Quantity - Will sell out fast!

How to Replace Cycling Mask/Sports Mask Filter?

Tips:

1. The PM2.5 filter pad can not be cleaned. Each filter lasts 3-30 days depending on pollution level. If the air pollution is serious, replace it once every 3 -5 days.
2. The filter oil on the film or with sticky sediment stains are more, please replace the filter.
3. The air does not flow, poor breathing or sleep, the prohibition of use
4. children under the age of two are prohibited to use.

How to Clean the PM2.5 Carbon Filter Mask?

1. The plug-in filter pad can not be cleaned. Remove it before wash!
2. The proposed neutral detergent with water diluted, put the mask into the water, hand gently rub, dry in the airy shade
3. Air dry to preserve shape. Do not machine wash the mask together with clothes. DO NOT dry clean, iron, bleach.
4. Hand-wash the mask after you wear it out of house or unless necessary; wash with mild detergent.
5. Do not long soak in the washing liquid or water, to avoid the use of bleach.

Package included:

1 order mask package: 1pc 5-layer PM2.5 Activated Carbon Filter and 1pcs US Flag sports mask with 2 valves;
1 order 10pcs filter package: Only comes with 10 pcs 5-layer PM2.5 filters 4 Valves. Not Included the Mask.
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MORE TO LOVE:

Click to Order Additional 5-layer  for Adult/ Kids / Sports Masks

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DISCLAIMER: 

This cover is not intended to act as a medical device or other medical product, and we make no claim, either express or implied, that the cover prevents infection or the transmission of viruses or diseases. The cover is not a substitute for professional medical advice, diagnosis, or treatment. If you have any specific questions about any medical matter, you should consult a doctor or other healthcare provider.