The Deer River KN95 disposable masks can filter 95.6% of non-oil-based particles and aerosol particles.
5 layers of protection and efficient filtering. Two layers of non-woven fabric, three layers of melt-blown fabric.
No-Valve mask has a higher filtering effect and higher airtightness. So it can give you more protection.
After testing, all filtration efficiency indicators are above 95%. GB/2626-2006 STANDARD.
Wide range of uses: suitable for outdoor cycling enthusiasts, home improvement, DIY engineering, construction, gypsum board sanding, sanding, sawing, lawn mowing, cleaning, gardening, etc.