• canuxi nbi
    KN95/99 Meltblown Filter Fabric
    Generally, a general medical surgical mask needs to use 1 layer of meltblown cloth, and 1 N95 mask needs at least 3 layers of N95 filter fabric.

    KN95/99 Meltblown Nonwoven for 3ply Surgical Face Mask...  more
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