[HEPA Filter]Made of high-strength environmental-friendly materials, which can block most of dust down to 0.3 micrometer. The filter can maintain the cleaning performance of the sweeper, while reducing the penetration of dust, and others into the air you breathe. The air passes through the activated carbon and the odor is absorbed into the absorber, bringing , clean, odorless air back into the air you breathe. Block dust and reduce dust damage in sensitive parts of the machine. High-efficiency activated carbon filter absorbs household odors from pets, cooking, smoking, wildfire, and harmful VOC's It is recommended that you replace spare parts every 2 to 3 months depending on the frequency of use to keep the machine running at its best performance [Product Name] Filter [Applicable models] for Molekule air purifier Air MINI Air MINI+- filter efficient living [Main function] Filter the dust Colour:Black Material:plastic Package Contents: 1 x Filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.