KN95 level respiratory protection, filtering efficiency up to 95%, mesh breathable composite fabric, suitable for all seasons (basically no need to consider season changing factors).
5 days delivery after ship! Standard: GB2626-2006 KN95 (Technical requirements and test methods are basically the same as US Standard: 42 CFR 84 )
The inside 2 layer are PP non-woven protective layer, which can contact the skin zero irritation to the skin and block harmful gases. The Thickened activated carbon filter can assist in filtering odors in the air, and effectively filter formaldehyde, PM2.5, second hand smoke, etc.
Our K N95 mask can be used for outdoor cycling enthusiasts, home decoration, DIY projects, buildings, drywall sanding, grinding, sawing ,lawn mowing, cleaning, gardening.
Our improved mask built-in sponge strip device, it used to enhance the sealing of the mask, more close to the face, and adjustable and soft nose clip provides comfortable and safety seal. 3M 8511 Respirator, N95, Cool Flow Valve (2-Pack)
5 Packs K N95 Mask Particulate Respirator Face Mask, Anti Pollution Breathable Dust Mask