in Stock Anti Virus Disposable KN95 Dust Face Mask Mask and Face Mask KN95 Anti fog Protective Mask Non Woven Disposable Face Mask Dustproof Breathable Adult Safety Masks Kn95 Anti Dust Comfortable Face Mask Face Mask Non Woven and Kn 95 Anti Fog Anti Splash Anti Dust Facial Mask for Adult Protect Mask KN95. Name: KN95 labor protection mask Function: anti fog, PM2. 5, dustproof,etc. protect your health! Applicable object: adult Safety standard: China GB2626 2006 standard Filtration efficiency: non oily particulate matter filtration rate> = 95% Product storage: storage temperature 20 38C, less than or equal to 80% RH in spring, need to be stored and well ventilated, protected from light, dry environment, and away from pollution sources Protection level: KN95 Is there a breathing valve: No PS: 1. The difference between KN95 and N95: 1. The difference between certification bodies: KN95 is a Chinese standard certification and meets the requirements of China's GB2626 standard. And N95 is American NIOSH certification 2. the same protection level: the filtration efficiency of all non oily particles is greater than or equal to 95% Package Included: KN95 Masks Notes: 1) The mask maybe have some difference from pictures in some parts,stracture and color,etc because of different production period and some improvement done,thanks for your kind understanding. 2) The mixed styles in a selling packing happens sometime(but all the masks have the same functions and similar structures),thanks for your kind understanding. Product type: Safety Masks