50 Pcs Latex Free Disposable Premium Quality tested face masks
Protects nose and mouth against fluids, Fluid-Resistant at a pressure of 160 mmHg
Premium Filter protects against 99% of particles larger then 0.1 μm, filter Efficiency = PFE99%
These masks are manufactured in a class 100,000 cleanroom, masks should be disposed of after each use. Shelf live 2 years.
"Testing performed by Nelson laboratories LLC" Reports available in the images, “Full reports available upon request” made in China by a Dutch brand and manufacturing facility).
This is one of the most satisfying purchases I've ever made and it's already on my unlimited repurchase list! and will come again if needed in the future!