Color:Blue ❀Feature: ❀100% brand new and high quality. ❀Protection: Three layers of purifying dust, toxic gases in the air,and skin-friendly filter cloth,giving you multiple protections,protects against dust, allergens and contaminants ❀Color: Multicolor ❀Packing: boxed ❀Size:17.5x9.5cm ❀Type: disposable mask ❀Quality: Our masks are made of soft, high-quality cotton and individually packaged and sealed to ensure the highest standards ❀Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. ❀Masks should be replaced in time when ❀1.When the respiratory impedance increases significantly; ❀2.When the mask is damaged or damaged; ❀3.When the mask cannot be tightly attached to the face; ❀4.Masks are contaminated (for example, when stained with foreign matter such as blood or droplets); ❀5.Masks have been contaminated (have been used in individual wards or patient contacts); ❀6.If it is a mask containing activated carbon, and there is an odor in the mask; ❀7.Masks have been used longer than recommended. ❀Package Content: ❀50 pieces mask
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