S shape, unique design with good nose clip and ear,
 
More joint face, assurance and face a good seal.

Fold-down design, easy to preserve and carry.

S exclusive import high-efficiency electrostatic filter material research and development, under the same
Under protection, respiratory resistance is small, use safety
More comfortable.

S this product dust with high efficiency
GB2626-2006 KN90

S for food, chemical, coal, cement, gold dust
Manufacturing, smelting and processing
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