Security Mouth Mask Dust Mask Anti Pollution Military Grade Washable Cotton Masks with Adjustable Straps ?+Filter Sheet? (Black(Air Valve)) (RED(air Valve))

Description

Color:RED(air Valve) Color: Black(air Valve) Material: cotton 2mm stereo mask Three-dimensional mesh filter structure Washable, durable and does not reduce dust barrier effect No odor, can effectively block dust and foreign objects. K?uzhào d?u pèi y?u guòl? piàn y?piàn, rú y?u x?yào q?ng zài gòum?i, guòl? piàn k? y?uxiào guòl? hu?chén, f?i mò, wù mái, w?iqì d?ng y?uhài wùzhí. 45/5000 Masks are equipped with a piece of filter sheet. Please purchase it if necessary. The filter sheet can effectively filter dust, droplets, haze, exhaust and other harmful substances.