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2. Face Mask for Coronavirus: Types, Best Filters, How to Make

   www.webmd.com/covid/coronavirus-face-masks

   How to Clean COVID Masks. Wash cloth masks with hot water and detergent or soap after each wear. If your mask has a filter, take it out and throw it away before washing. Put the masks in your ...

3. Do Face Masks Help with Allergies? - Healthline

   www.healthline.com/health/allergies/do-masks...

   Takeaway. Face masks can help block the particles and triggers that cause irritation and allergy symptoms. Masks provide enough protection to block common allergens, including pollen, dust mites ...

4. Non-Rebreather Mask: Purpose, When It’s Used, and More - WebMD

   www.webmd.com/lung/what-to-know-non-rebreather-masks

   Non-rebreather masks are designed to deliver a lot of extra oxygen to your airway. The normal fraction of inspired oxygen (FIO2), or concentration of oxygen in the air, in any room is about 21% ...

5. Non-Rebreather Masks: Uses, How They Work, and More - Healthline

   www.healthline.com/health/non-rebreather

   A non-rebreather mask typically delivers 70 to 100 percent oxygen. Most non-rebreather masks don’t form a perfect seal on your face, in which case you’ll also breathe in some of the air around ...

6. Best COVID-19 Face Masks - Healthline

   www.healthline.com/health/best-face-masks-covid...

   Best face masks for COVID-19 in 2022. Best overall: evolvetogether Mount Fuji white KN95 Mask. Best fit: Powecom KN95 Respirator Face Mask. Best recyclable mask: Vida NIOSH and FDA Authorized N95 ...

7. These KN95 and N95 Face Masks Help Protect Against the ... - AOL

   www.aol.com/kn95-n95-face-masks-help-182200553.html

   KN95 Respirator Face Masks (10 Pack) Powecom’s KN95 mask also comes in a sleek black color. This 10-pack features masks with soft ear loops that are comfortable enough to wear for hours.

8. N95 respirator - Wikipedia

   en.wikipedia.org/wiki/N95_respirator

   An N95 respirator [1] is a particulate-filtering facepiece respirator or elastomeric filter that meets the U.S. National Institute for Occupational Safety and Health (NIOSH) N95 classification of air filtration, meaning that it filters at least 95% of airborne particles that have a mass median aerodynamic diameter of 0.3 micrometers [2] under ...

9. NIOSH air filtration rating - Wikipedia

   en.wikipedia.org/wiki/NIOSH_air_filtration_rating

   The NIOSH air filtration rating is the U.S. National Institute for Occupational Safety and Health (NIOSH)'s classification of filtering respirators. The ratings describe the ability of the device to protect the wearer from solid and liquid particulates in the air. The certification and approval process for respiratory protective devices is ...