DMY20002-US HEPA 100% matching for models: Healthomse True HEPA Air Purifier Filter. Easy to replace: Remove the old before starting the, then replace the new, and then reset to continue the. HEPA: The ultra-thick pleat design greatly increases the contact area between the and the contaminant, which not only improves the purification speed but also makes the dust holding capacity larger and the service life longer. Material: The use of a scientifically formulated special activated carbon can further purify the and have a good effect on the freshness of the. Compared with ordinary activated carbon, the adsorption effect is better and the use time is longer. Note: 1. To ensure good sealing and reduce the effects of filtration, the product is sealed after packaging. Before replacing, remove the plastic bag and then replace the. 2. In addition, the life must be reset after replacing the (see product description for specific operation). It is recommended to replace every 3 to 6 months.