Answer
No, KN95 masks are safe to use to prevent PM 2.5. Kn95 masks filter particles up to 0.3 microns.
A.Both are same, but Kn95 mask i...
A.Yes, you can reuse a Kn95 mask...
A.•Specialized protective mask a...
A.No, KN95 masks differ from N95...
A.No, cloth cannot provide the p...
A.Although KN95 masks are made o...
A.No, KN95 masks are not washabl...
A.•Avail hand sanitizers in diff...
A.Both are equally effective, bu...
A.You can use a hand sanitizer s...