| 摘要 |
A packaged air filter part and a method of packaging the air filter part are provided to suppress the absorption of organic substances by the air filter part. The air filter part is encased within a packaging material and has a filter medium capable of cleaning air in at least a part thereof. The dibutyl phthalate content per 1 g of the filter medium is 1.0 mug or lower when the filter medium is taken out of the encasing of the packaging material. The air filter package unit includes the air filter part, and a packaging material arranged so that the filter medium is shielded from outside air. The method of packaging an air filter includes a step of producing air filter part, a step of packaging the air filter part with a first material, and a step of further packaging the packaged air filter part with a second material.
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