mouth 50cs gasket health care mask filter pad blocking dust air pollution protection masks gaskets

bullet point: 1. the protective pad must be used with the mask. if with a mask, it can be placed in a mask, which will increase the life of the mask and alleviate the lack of masks. 2. multi-layer protection, effectively blocking dust, haze. 3. scope of application: dust masks, self-use masks, beauty salons, pet shop masks, factory masks, food processing masks, environmental protection cleaning masks, etc. 4.the filter cannot be cleaned. it is recommended to replace it once a day. 5. no ...