BFE, PFE, and VFE are all over 99%, the breathing is smooth, and the expiratory resistance and inspiratory resistance are all less than 30
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BFE, PFE, and VFE are all over 99%, the breathing is smooth, and the expiratory resistance and inspiratory resistance are all less than 30
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Cool and breathable masks, the raw materials have passed the SGS report and the US NELSON inspection report
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Cool and breathable masks, the raw materials have passed the SGS report and the US NELSON inspection report
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PFE filtration efficiency is 95%, 4MM flat ear rope, comfortable ear.
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BFE, PFE and VFE all exceed 99%. Unobstructed breathing, expiratory resistance, inspiratory resistance are less than 30.
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BFE, PFE and VFE all exceed 99%. Unobstructed breathing, expiratory resistance, inspiratory resistance are less than 30.
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BFE, PFE and VFE all exceed 99%. Unobstructed breathing, expiratory resistance, inspiratory resistance are less than 30.
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BFE, PFE and VFE all exceed 99%. Unobstructed breathing, expiratory resistance, inspiratory resistance are less than 30.
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BFE, PFE and VFE all exceed 99%. Unobstructed breathing, expiratory resistance, inspiratory resistance are less than 30.
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BFE, PFE and VFE all exceed 99%. Unobstructed breathing, expiratory resistance, inspiratory resistance are less than 30.
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BFE, PFE and VFE all exceed 99%. Unobstructed breathing, expiratory resistance, inspiratory resistance are less than 30.
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