Details : This mask is completely equivalent to 6800 comprehensive protection function, can use filter cotton. Large lens for wide field of view. Recommended applications : assembly and machinery, chemical cleaning, chemical treatment, chemical splashing, debris, chisels, cleaning, furnace operation, grinding, laboratory, machining, painting, pouring/casting, sanding, sawing, UV protection, welding. Recommended industries : agriculture, automotive, chemicals, construction, general manufacturi...