Description
Product Parameters: Product name:KN95 silicone dust mask Applicable protection scenarios:Construction site, smog, tunnel, dust, factory, mine, workshop Weight:118g Protection degree:KN95 Effective filtration area:5000mm² Standard configuration:Breathing valve, suction valve Main materials:Food grade silica gel Purchase specifications:Mask with filter cotton*1 Filter cotton*10 Product Features: 1 Food grade silica gel:soft, elastic, difficult to deform 2 Humanization design: 1)2 breathing valves: Ultra thin thickness reduces respiratory resistance; unidirectional opening can avoid secondary pollution of filter cotton. 2)3D crown structure: It's comfort and fit the skin. 3)Dust box snap switch:It's Stable and easy to operate. 4)Inspiratory grid:It has small suction resistance and can prevent rain and splash.