Color:20 PCS  Feature: Replaceable active carbon filters isolate up to 99-percent of dust, pollen, hazardous chemicals, fumes, heavy metal particles etc. 10/20 x Activated Carbon N99, PM 2.5 filters 4/8x Valves Replacements Compatible with majority of Dust Masks available in the market 100% Brand New Guarantee: 1.We endeavors 100% customer satisfaction service and experience. 2.The pictures are only samples of reference. Due to the limitations of the photograph and the inevitable differences in screen settings, the colors shown in the photograph may not be 100% consistent with those of the items themselves. 3.If you receive damaged or wrong items,please contact us with attached pictures about the problem, we will provide you a satisfactory solution within 24 hours. 4.If you are satisfied with our product or service,hope you can leave your positive feedback.
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