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10pcs N95 KN95 Anti-Fog FFP2 Dust Mask Child Adult PM2.5 Anti Face Mouth Warm Masks Healthy Air Filter Dust Proof Protection

(92 customer reviews)

$27.70

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SKU: 4000777357587 Categories: ,

Description

Specifications

Product Name: L-103 kn95 Folding Mask
Material: PP non-woven fabric, high efficiency and low resistance melting cotton, electrostatic cotton capacity
Features: contains vavle / activated carbon / vavle and activated carbon

Note

Materials are limited and the color of the mask breathing valve may be inconsistent.

The filtration efficiency (protection ability) of each model for non-oily particles is as follows:

N100 = KN100> N99 = FFP3> N95 = KN95 ≈ FFP2> KN90> FFP1

Suggest

KN95 masks mainly decrease with the use of time, an average of 1.2% 8 hours a day, after 33-40 hours it will drop to 90%, which is equivalent to the level of N90. Working 8 hours a day can be used for at least 5 days, which is consistent with the recommendation of CDC limited reuse 5 times, and the protective effect is acceptable.

PS:

1) If the product is left to stand for disinfection and stored in a closed and dry container for a long period of time, the performance degradation can be ignored.
2) Regular use can be stored in general environment, avoiding high humidity environment.
3) Try to ensure that the shape of the mask is not damaged, and wear and store it carefully.
4) The service life of N95 masks with breathing valves may be more than doubled.
5) The reduction in efficiency is mainly concentrated in the sub-nanometer level. The filtration efficiency at this level is directly related to the static of the filter material.
6) The charge is mainly from the physical barrier.

National emergency reserve unit

Child—With breathing valve

Adult–With breathing valve

Adult-Without breathing valve

About packaging

1 pack of 2 pcs
10pcs, equal to 5 packs


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