Frequently Asked Questions
Q: What is the difference between 3-ply face masks?
A: Low grade general purpose masks are 50% filtration. Should NOT cost more than 10 to 15 cents. Fine for walking outside & NOT spreading virus if you are infected.
Q: What type of 3-ply mask should I be wearing?
A: If inside a building, wear mask with at least 90% filtration. They cost 30 to 50 cents each. NOT medical grade but effective with social distancing and washing hands.
Q: What type of mask is used by NF staff?
A: KN95 mask is medical grade with at least 95% filtration. Price ranges from $1.99 to $3.49. Must meet US or European testing standards. Can be re-used multiple times.