PM 2.5 carbon filter set/4

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  •  5-layer Protection: This Mask Filter is crafted with five layers of support that contains activated carbon, non-woven fabric& melt blown paper. It helps block pollen, dust, pollution, keep you safe and healthy.
  •  PM2.5 Replaceable Filters can effectively isolate most types of harmful dust, particles, smoke
  •  Reasonable size:Suit for most mouth mask insided with fliter slot, Very easy to insert or replace, has achieved the best protection effect