N95 respirators and surgical masks are examples of personal protective equipment that are used to protect the wearer from airborne particles and from liquid contaminating the face.
N95-standard Face Mask – Best filter mask against tiny dust particles. 
Filters up to micro-particles 70μm in size.
 
How to Use:
-Wash your hands with anti-bacterial hand soap and water or hand sanitizer before touching the mask.
-Take out a mask from the box and ensure that the mask is in good condition
-The side of the mask that has a stiff bendable edge is the top and is meant to mold to the shape of your nose.
-Tie the straps around your head 
-Ensure mask is fitted comfortably to your face and make sure that your nose and mouth are well covered.
 
Warning: Not suitable to be worn for long period or during pregnancy.