Fit for MCK57LMV2W/R/K/A/N MC709MV2 MC70KMV2N/R/A/KAir purifier. The second layer is photocatalytic Ti filter, which absorbs and decomposes odor and bacteria. It is very convenience that after cleaning can be repeatedly used.
This product would be ideal for households with multiple rooms as it's a 5-pack purifier filter specifically designed for indoor air cleanup.