Electric fresh air mask with dust removal filter material convenient to replace
A mask and filter material technology, used in breathing filters, clothing, life-saving equipment, etc., can solve the problems of complex structure, poor breathing, and overall cumbersomeness, and achieve the effects of large filtering area, smooth breathing and high efficiency
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[0018] Such as figure 1 , figure 2 with image 3 As shown, the electric fresh air mask of the present invention is convenient to replace the dust removal filter material, comprises the mask front piece 1 that dust removal filter material is made, and the left end of the mouth mask front piece 1 facing the rear surface is provided with a left cloth pressing strip 2, and the mouth mask front piece 1 faces backward The right end of the surface is provided with a right cloth pressure strip 3, and the upper and lower edges and the left edge of the left cloth pressure strip 2 are fixedly connected with the front panel 1 of the mask. The lower edge and the edge of the right end are fixedly connected with the mask front piece 1, and the left end of the right cloth pressure strip 3 is provided with a right insertion port;
[0019] Such as figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 with Image 6 As shown, the rear of the front piece 1 of the mask is provided with a...
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