It is a replacement filter material (filter) for the 1005 series dust mask.
A micron filter that uses wool felt as a base material and is charged with a special resin treatment to repair dust with an electrostatic force.
While maintaining the high collection efficiency and low intake resistance of this micron filter,
it is an amazing electrostatic filter that has cleared the RL class of the national certification standard, which is considered difficult for electrostatic filters, through advanced electrostatic processing.
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