4 layers cup mask with valve adult KN95 respirator with headloops
4 layers cup mask with valve is more breathable than than no-valve mask while it's filtration efficiency >= 95%. It is a personal protective equipment effective in respiratory protection of the worker exposed to dusts, fumes, mists (potential irritants of throat and upper respiratory tract). It also is perfect for high risk areas, travel and poor air quality.The exhalation valve facilitates breathing, ensuring maximum comfort and protection. The adjustable nose piece and headloops for tight fit but still comfortable to wear. Hopefully this adult KN95 respirator with headloops can help anyone in need.