N95 Mask

What are N95 masks normally used for?

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.
Are there black N95 masks?
Black KN95 Face Mask – 50 Pack, WWDOLL New GB2626-2019 KN95 Mask 5-Layer Breathable Cup Dust Mask Black.