NO ADDITIONAL FILTERS REQUIRED - The middle layer of the 3 ply mouth cover is made of high level static non-woven fabric that is HIGH in filtration efficiency. With this, the mask is good to be used as it is, NO ADDITIONAL FILTERS are required.
Fluid Resistance - The outer layer of the mouth cover has hydrophobic characteristic to resist droplets or splashes of fluids that could may cause harm to users
High Breathability 3 Ply Protection - While providing great protection from outside of the cover, the 3 ply materials selected are highly breathable
Spacious Comfort - The mouth cover is specially sewn to create a spacious breathing area within which enables its user to breathe comfortably while wearing it. At the same time, it is designed to completely wrap around the face, sealing off from the outside without any openings
Non-metal nose wire - It comes equipped with a non-metal nose wire to prevent it from any potential corrosion or causing damage to the fabric. On top of that, when molded to accomodate your facial topography, the nose wire helps to seal off the inside of the cover to provide a complete protection