Our Shipping Conditions: Attention: The goods will be shipped from UK Delivery time: 2 to 4 working days Support 60 days return policy Reply within 24 hours About This Item: [Filtering Efficiency] ≥ 95%]Our high-quality electrostatic filter cotton has higher adsorption capacity and low respiratory resistance, which can better defend our respiratory health. Respirator cartridges cotton a wide range of nonoily particles such as dust, PM2.5, pollen, welding fumes, etc. .
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