KN95 Respirator manufacturers Product Features: * KN95 Level Protection, Non-Oil Particles And PM2.5 Pollution Ash Filtering Rate Up To 95% * Three-Dimensional Design, Greatly Increase The Mouth And Nose Space, Breath More Smoothly * 5 Layer Filtering Structure, Multiple Purification * Adjustable And Soft Nose Bridge Clip, Seamless Fit The Face, Effectiveness In Preventing The Fogging Of...