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Non-toxic, High efficiency filter
By 100% Extra thin Polyphene fibre. fibre-glass free.
Water-proof surface, Aluminum banded shape suitable for face.
Soft and smooth rubber band looping.
Good filteration from dust, variousty of spec. for selection.
Welcome OEM produciton or project for special working condition
Pack: 50pcs/box 5pcs/bag
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