Perfetta Ultra 4Ply Mask ASTM Level 3 (Box of 50)

∙ Made of 4-layer non-woven fabric
∙ Adjustable nose clip embedded and elastic ear loop to fit your face. One size fits most people
∙ Convenient ear loop design allows you to slip on and remove mask quickly and easily
∙ Folds in mask expand for full coverage from the top of the nose to underneath chin
∙ Soft and comfortable ear-loops for easy wearing
∙ Specifically designed the inner of the face mask for maximum comfort
∙ High quality non-woven materials ∙ Water resistant
∙ Bacterial Filtration Efficiency (BFE) ≥ 99%
∙ Particle Filtration Efficiency (PFE) ≥ 99% (PM2.5 μg/m³)
∙ Viral Filtration Efficiency (VFE) ≥ 99%
∙ Differential Pressure 4.1mm H2O/ cm2
∙ Flammability Class 1
∙ Synthetic Blood: 160mm Hg
∙ Microbial Cleanliness ≤ 3.0 cfu/g