<p><span style="color: rgb(85, 85, 85); font-family: Varela, Arial, Helvetica, sans-serif; font-size: 14px; letter-spacing: 0.5px;">1. Filterability meets KN95 standard requirements</span><br style="color: rgb(85, 85, 85); font-family: Varela, Arial, Helvetica, sans-serif; font-size: 14px; letter-spacing: 0.5px;"><span style="color: rgb(85, 85, 85); font-family: Varela, Arial, Helvetica, sans-serif; font-size: 14px; letter-spacing: 0.5px;">2. Bacterial filtration efficiency ≥95%.</span><br style="color: rgb(85, 85, 85); font-family: Varela, Arial, Helvetica, sans-serif; font-size: 14px; letter-spacing: 0.5px;"><span style="color: rgb(85, 85, 85); font-family: Varela, Arial, Helvetica, sans-serif; font-size: 14px; letter-spacing: 0.5px;">3. Particulate matter filtration efficiency ≥95%</span><br style="color: rgb(85, 85, 85); font-family: Varela, Arial, Helvetica, sans-serif; font-size: 14px; letter-spacing: 0.5px;"><span style="color: rgb(85, 85, 85); font-family: Varela, Arial, Helvetica, sans-serif; font-size: 14px; letter-spacing: 0.5px;">4. 4 filter layers, more secure protection</span><br style="color: rgb(85, 85, 85); font-family: Varela, Arial, Helvetica, sans-serif; font-size: 14px; letter-spacing: 0.5px;"><span style="color: rgb(85, 85, 85); font-family: Varela, Arial, Helvetica, sans-serif; font-size: 14px; letter-spacing: 0.5px;">5. shelf life: 3 years</span></p>
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