Strong st-fdlx half mask (rubber) with ldy3 filter box

The main body of st-fdlx is made of rubber, which is comfortable and durable;
the combination of elastic band and headband can reduce the pressure on the head and neck without affecting the wearing of other protective products;
the one-way breathing valve can effectively reduce the breathing resistance and eliminate the moist air in the mask;
the spiral filter box has the advantages of simple and convenient handling, tight occlusion and longer service life.
size: One size fits all