Valve is very convenient. Could easily tell the difference in breathability between this one and the regular N95 mask
E
E.W.
Masks are alright
Masks are alright
L
L.F.
very pleased
I have breathing problems and have tried many types of masks. I am able to use the port, and it stays away from my nose and mouth which is a very good thing.
Thank you for making these
Larry F
J
J.D.
Well made and arrived quickly
masks are well made and arrived very quickly. would definitely buy again