product description: Material: non-woven / electrostatic filter cotton level Function: anti-fog, dust, etc. 1. Easy breathing Upgrade electrostatic filter cotton for comfortable and breathable performance 2. Cool breathing Cold flow breathing valve, breathing refreshing 3. Wear no burden New upgraded knit band, comfortable and skin friendly 4.Suitable for many occasions like house decorating, mining, doing experiments in laboratories and so on. 5.Effective and convenient, giving you a better working environment. Resists organic vapors, particulates, dust, etc. 6.High-efficiency electrostatic pre-filtered cotton with low breathing resistance, smoother breathing and better protection. The package includes: 5X KN95 MASKS
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